What is a PRP ?
A PRP is a probable prime number, a number that nobody knows how to prove
or disprove its primality.
Here are some criterions that can be used to recognize these numbers
:
- N does not have any prime factor up to 2^32.
- N cannot be trivially written into a product.
- Take 3 square-free consecutive bases such that (b1/N)=(b2/N)=(b3/N)= -1. N
should be such that b1^((N-1)/2)=b2^((N-1)/2)=b3^((N-1)/2)= -1 (mod N).
- Take a prime base such that (b/N)= -1 and b<>b1<>b2<>b3.
N should pass the strong test in base b.
- or more (if someone has got an idea) !!!
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Rank |
Probable prime |
Digits (> 50000) |
Who ? |
When ? |
8751 | (2^339640+2670)/2 | 102242 | Stefano Morozzi | 09/2020 |
8752 | 4*6^131382-5 | 102236 | Lelio R Paula | 11/2014 |
8753 | (2^339607+3290)/2 | 102232 | Stefano Morozzi | 02/2021 |
8754 | 2^339586-1091 | 102226 | Yves Minet | 11/2012 |
8755 | 11^98161-3072000 | 102225 | Enzo Doria | 12/2012 |
8756 | 9*7^120961-4 | 102225 | Lelio R Paula | 11/2014 |
8757 | 5*3^214250+2 | 102224 | Serge Batalov | 10/2010 |
8758 | 12^94713-59 | 102213 | Lelio R Paula | 10/2016 |
8759 | 12^94705+89 | 102204 | Lelio R Paula | 10/2016 |
8760 | 2^339407-177 | 102172 | Lelio R Paula | 08/2011 |
8761 | 4*10^102163-57 | 102164 | Robert Price | 10/2018 |
8762 | 2^339355+65 | 102157 | Lelio R Paula | 07/2011 |
8763 | (28*10^102142-31)/3 | 102143 | Robert Price | 12/2019 |
8764 | (2^339323+47)/880715 | 102141 | Lelio R Paula | 12/2013 |
8765 | (2^339268+1758)/2 | 102130 | Stefano Morozzi | 09/2020 |
8766 | U(610865) | 102130 | Serge Batalov | 07/2024 |
8767 | s(178551) | 102122 | Robert Price | 05/2020 |
8768 | (797*10^102112-23)/9 | 102114 | Robert Price | 01/2022 |
8769 | (5*10^102107+7)/3 | 102108 | Tyler Busby | 02/2023 |
8770 | (2^339175+2790)/2 | 102102 | Stefano Morozzi | 02/2021 |
8772 | 2^339168+21 | 102100 | Lelio R Paula | 07/2011 |
8773 | 2^339167-108807 | 102100 | Enzo Doria | 03/2014 |
8771 | (2^339169+42)/2 | 102100 | Stefano Morozzi | 09/2020 |
8774 | 2^339156+163 | 102097 | Lelio R Paula | 08/2011 |
8775 | (2^339149+746)/2 | 102094 | Stefano Morozzi | 09/2020 |
8776 | (25*10^102076-67)/3 | 102077 | Robert Price | 06/2019 |
8777 | 2^339081-4543 | 102074 | Yves Minet | 03/2019 |
8778 | (3435^28867-1)/3434 | 102069 | Serge Batalov | 06/2022 |
8779 | 2*10^102062+77 | 102063 | Robert Price | 08/2020 |
8781 | 24327^15668+15668^24327 | 102053 | Hans Havermann | 02/2019 |
8780 | 10^102052+66793 | 102053 | Patrick De Geest | 09/2022 |
8783 | 10^102052-7000001 | 102052 | Robert Price | 06/2021 |
8782 | 10^102052-618623 | 102052 | Patrick De Geest | 09/2022 |
8784 | 2^339000-175635 | 102050 | Stefano Morozzi | 12/2021 |
8785 | 2^339000-151667 | 102050 | Stefano Morozzi | 12/2021 |
8786 | 2^338999+79289 | 102049 | Stefano Morozzi | 01/2022 |
8787 | 2^338998-63897 | 102049 | Stefano Morozzi | 12/2022 |
8788 | 2^338997+99659 | 102049 | Stefano Morozzi | 02/2023 |
8789 | 2^338994+188757 | 102048 | Stefano Morozzi | 05/2022 |
8790 | 2^338995+70785 | 102048 | Stefano Morozzi | 11/2022 |
8791 | 2^338994-12183 | 102048 | Stefano Morozzi | 12/2022 |
8792 | 2^338992+181591 | 102047 | Stefano Morozzi | 01/2022 |
8793 | 2^338992+136171 | 102047 | Stefano Morozzi | 03/2022 |
8794 | 2^338991-109435 | 102047 | Stefano Morozzi | 04/2022 |
8795 | 2^338991+193611 | 102047 | Stefano Morozzi | 09/2022 |
8796 | 2^338988-134619 | 102046 | Stefano Morozzi | 04/2022 |
8797 | 2^338987-62557 | 102046 | Stefano Morozzi | 12/2022 |
8798 | 2^338986-60141 | 102045 | Stefano Morozzi | 06/2022 |
8799 | 2^338986+98209 | 102045 | Stefano Morozzi | 11/2022 |
8800 | 2^338981+106391 | 102044 | Stefano Morozzi | 01/2022 |
8801 | 2^338982+34069 | 102044 | Stefano Morozzi | 03/2022 |
8802 | 2^338982-58781 | 102044 | Stefano Morozzi | 04/2022 |
8803 | 2^338980+70833 | 102044 | Stefano Morozzi | 11/2022 |
8804 | 2^338982-92111 | 102044 | Stefano Morozzi | 02/2023 |
8805 | 2^338977+83007 | 102043 | Stefano Morozzi | 02/2022 |
8806 | 2^338979-83601 | 102043 | Stefano Morozzi | 04/2022 |
8807 | 2^338975+28355 | 102042 | Stefano Morozzi | 01/2022 |
8808 | 2^338973+134619 | 102042 | Stefano Morozzi | 03/2022 |
8809 | 2^338974+183777 | 102042 | Stefano Morozzi | 03/2022 |
8810 | 2^338975+69293 | 102042 | Stefano Morozzi | 09/2022 |
8818 | 25080^11711+11711^25080 | 102041 | Hans Havermann | 02/2019 |
8811 | 2^338972+152343 | 102041 | Stefano Morozzi | 12/2021 |
8812 | 2^338972-180623 | 102041 | Stefano Morozzi | 02/2022 |
8813 | 2^338972+84441 | 102041 | Stefano Morozzi | 03/2022 |
8814 | 2^338971+64875 | 102041 | Stefano Morozzi | 05/2022 |
8815 | 2^338971+44985 | 102041 | Stefano Morozzi | 11/2022 |
8816 | 2^338971+145065 | 102041 | Stefano Morozzi | 11/2022 |
8817 | 2^338972-16635 | 102041 | Stefano Morozzi | 01/2023 |
8819 | 2^338968+53461 | 102040 | Stefano Morozzi | 01/2022 |
8820 | 2^338969+160175 | 102040 | Stefano Morozzi | 03/2022 |
8821 | 2^338967+13409 | 102040 | Stefano Morozzi | 04/2022 |
8822 | 2^338969+67635 | 102040 | Stefano Morozzi | 09/2022 |
8823 | 2^338969-15913 | 102040 | Stefano Morozzi | 01/2023 |
8824 | 2^338963-127455 | 102039 | Stefano Morozzi | 12/2021 |
8825 | 2^338963+132195 | 102039 | Stefano Morozzi | 02/2022 |
8826 | 2^338966+137919 | 102039 | Stefano Morozzi | 04/2022 |
8827 | 2^338963-87529 | 102039 | Stefano Morozzi | 12/2022 |
8828 | 2^338963-116859 | 102039 | Stefano Morozzi | 02/2023 |
8835 | (2^338982-7)/1754517 | 102038 | Lelio R Paula | 12/2013 |
8829 | 2^338960+53935 | 102038 | Stefano Morozzi | 01/2022 |
8830 | 2^338962+83157 | 102038 | Stefano Morozzi | 02/2022 |
8831 | 2^338961+12341 | 102038 | Stefano Morozzi | 04/2022 |
8832 | 2^338960+63933 | 102038 | Stefano Morozzi | 05/2022 |
8833 | 2^338960+170791 | 102038 | Stefano Morozzi | 11/2022 |
8834 | 2^338962+21679 | 102038 | Stefano Morozzi | 11/2022 |
8836 | 2^338959-30919 | 102037 | Stefano Morozzi | 02/2022 |
8837 | 2^338959+164769 | 102037 | Stefano Morozzi | 05/2022 |
8838 | 2^338958-43161 | 102037 | Stefano Morozzi | 02/2023 |
8839 | 2^338954-177003 | 102036 | Stefano Morozzi | 12/2021 |
8840 | 2^338954+154207 | 102036 | Stefano Morozzi | 01/2022 |
8841 | 2^338956+182493 | 102036 | Stefano Morozzi | 02/2022 |
8842 | 2^338954+162715 | 102036 | Stefano Morozzi | 04/2022 |
8843 | 2^338955-158241 | 102036 | Stefano Morozzi | 04/2022 |
8844 | 2^338956-33395 | 102036 | Stefano Morozzi | 04/2022 |
8845 | 2^338954+190915 | 102036 | Stefano Morozzi | 06/2022 |
8846 | 2^338955+41643 | 102036 | Stefano Morozzi | 09/2022 |
8847 | 2^338954+194427 | 102036 | Stefano Morozzi | 09/2022 |
8848 | 2^338956+117967 | 102036 | Stefano Morozzi | 09/2022 |
8849 | 2^338956+195495 | 102036 | Stefano Morozzi | 11/2022 |
8850 | 2^338954-186371 | 102036 | Stefano Morozzi | 12/2022 |
8851 | 2^338950+175077 | 102035 | Stefano Morozzi | 12/2021 |
8852 | 2^338951-51687 | 102035 | Stefano Morozzi | 12/2021 |
8853 | 2^338951+66123 | 102035 | Stefano Morozzi | 06/2022 |
8854 | 2^338950+19317 | 102035 | Stefano Morozzi | 09/2022 |
8855 | 2^338951-161479 | 102035 | Stefano Morozzi | 12/2022 |
8856 | 2^338950-66335 | 102035 | Stefano Morozzi | 01/2023 |
8857 | 2^338951-41611 | 102035 | Stefano Morozzi | 02/2023 |
8858 | 2^338952-142887 | 102035 | Stefano Morozzi | 02/2023 |
8859 | 2^338949+85449 | 102034 | Stefano Morozzi | 03/2022 |
8860 | 2^338949-184585 | 102034 | Stefano Morozzi | 04/2022 |
8861 | 2^338949-88555 | 102034 | Stefano Morozzi | 12/2022 |
8862 | 2^338948+49393 | 102034 | Stefano Morozzi | 02/2023 |
8863 | 2^338949-17601 | 102034 | Stefano Morozzi | 02/2023 |
8864 | 2^338943+127103 | 102033 | Stefano Morozzi | 12/2021 |
8865 | 2^338944-84003 | 102033 | Stefano Morozzi | 04/2022 |
8866 | 2^338945+138605 | 102033 | Stefano Morozzi | 05/2022 |
8867 | 2^338943+95133 | 102033 | Stefano Morozzi | 11/2022 |
8868 | 2^338943+147435 | 102033 | Stefano Morozzi | 11/2022 |
8869 | 2^338943-116067 | 102033 | Stefano Morozzi | 01/2023 |
8870 | 2^338940+78607 | 102032 | Stefano Morozzi | 01/2022 |
8871 | 2^338942-86687 | 102032 | Stefano Morozzi | 12/2022 |
8872 | 2^338939+151569 | 102031 | Stefano Morozzi | 12/2021 |
8873 | 2^338938+183975 | 102031 | Stefano Morozzi | 03/2022 |
8874 | 2^338937-33429 | 102031 | Stefano Morozzi | 04/2022 |
8875 | 2^338939-183259 | 102031 | Stefano Morozzi | 04/2022 |
8876 | 2^338937-139951 | 102031 | Stefano Morozzi | 01/2023 |
8877 | 2^338938-40151 | 102031 | Stefano Morozzi | 01/2023 |
8878 | 2^338938+74449 | 102031 | Stefano Morozzi | 02/2023 |
8879 | 2^338935+179999 | 102030 | Stefano Morozzi | 01/2022 |
8880 | 2^338936+84147 | 102030 | Stefano Morozzi | 03/2022 |
8881 | 2^338935+171261 | 102030 | Stefano Morozzi | 11/2022 |
8882 | 2^338936-41355 | 102030 | Stefano Morozzi | 01/2023 |
8883 | 2^338931+2349 | 102029 | Stefano Morozzi | 12/2021 |
8884 | 2^338933+79935 | 102029 | Stefano Morozzi | 01/2022 |
8885 | 2^338930+33819 | 102029 | Stefano Morozzi | 03/2022 |
8886 | 2^338931-31555 | 102029 | Stefano Morozzi | 03/2022 |
8887 | 2^338933+64169 | 102029 | Stefano Morozzi | 05/2022 |
8888 | 2^338932-184965 | 102029 | Stefano Morozzi | 06/2022 |
8889 | 2^338932+66943 | 102029 | Stefano Morozzi | 09/2022 |
8890 | 2^338932+92995 | 102029 | Stefano Morozzi | 09/2022 |
8891 | 2^338931+97001 | 102029 | Stefano Morozzi | 11/2022 |
8892 | 2^338932-165453 | 102029 | Stefano Morozzi | 01/2023 |
8893 | 2^338933-40899 | 102029 | Stefano Morozzi | 01/2023 |
8894 | 2^338928+2367 | 102028 | Stefano Morozzi | 12/2021 |
8895 | 2^338927+52779 | 102028 | Stefano Morozzi | 01/2022 |
8896 | 2^338927-79539 | 102028 | Stefano Morozzi | 02/2022 |
8897 | 2^338929+60819 | 102028 | Stefano Morozzi | 03/2022 |
8898 | 2^338928-156959 | 102028 | Stefano Morozzi | 03/2022 |
8899 | 2^338927-63919 | 102028 | Stefano Morozzi | 12/2022 |
8900 | 2^338925+106631 | 102027 | Stefano Morozzi | 01/2022 |
8901 | 2^338926+80235 | 102027 | Stefano Morozzi | 01/2022 |
8902 | 2^338926+41607 | 102027 | Stefano Morozzi | 09/2022 |
8903 | 2^338925+195435 | 102027 | Stefano Morozzi | 11/2022 |
8904 | 2^338924-92885 | 102027 | Stefano Morozzi | 02/2023 |
8905 | 2^338922-27291 | 102026 | Stefano Morozzi | 12/2021 |
8906 | 2^338919-103849 | 102025 | Stefano Morozzi | 01/2022 |
8907 | 2^338919+130221 | 102025 | Stefano Morozzi | 01/2022 |
8908 | 2^338918-91967 | 102025 | Stefano Morozzi | 02/2023 |
8909 | 2^338917+561057 | 102025 | Boyan Hu | 03/2024 |
8910 | 2^338914-79121 | 102024 | Stefano Morozzi | 02/2022 |
8911 | 2^338916+134047 | 102024 | Stefano Morozzi | 03/2022 |
8912 | 2^338914-11315 | 102024 | Stefano Morozzi | 12/2022 |
8913 | 2^338910+81027 | 102023 | Stefano Morozzi | 01/2022 |
8914 | 2^338912+179821 | 102023 | Stefano Morozzi | 01/2022 |
8915 | 2^338909+100769 | 102022 | Stefano Morozzi | 11/2021 |
8916 | 2^338908-100839 | 102022 | Stefano Morozzi | 12/2021 |
8917 | 2^338909-25951 | 102022 | Stefano Morozzi | 12/2021 |
8918 | 2^338909+66845 | 102022 | Stefano Morozzi | 09/2022 |
8919 | 2^338907+73509 | 102022 | Stefano Morozzi | 11/2022 |
8920 | 2^338906-25823 | 102021 | Stefano Morozzi | 12/2021 |
8921 | 2^338904+75951 | 102021 | Stefano Morozzi | 12/2021 |
8922 | 2^338906+6685 | 102021 | Stefano Morozzi | 01/2022 |
8923 | 2^338905+160365 | 102021 | Stefano Morozzi | 03/2022 |
8924 | 2^338906+92617 | 102021 | Stefano Morozzi | 09/2022 |
8925 | 2^338904+47065 | 102021 | Stefano Morozzi | 11/2022 |
8926 | 2^338905+70427 | 102021 | Stefano Morozzi | 11/2022 |
8927 | 2^338905-163975 | 102021 | Stefano Morozzi | 12/2022 |
8928 | 2^338903+4155 | 102020 | Stefano Morozzi | 01/2022 |
8929 | 2^338901+55571 | 102020 | Stefano Morozzi | 01/2022 |
8930 | 2^338901-55479 | 102020 | Stefano Morozzi | 02/2022 |
8931 | 2^338903+33555 | 102020 | Stefano Morozzi | 03/2022 |
8932 | 2^338901+39777 | 102020 | Stefano Morozzi | 05/2022 |
8933 | 2^338903+165981 | 102020 | Stefano Morozzi | 06/2022 |
8934 | 2^338901-34863 | 102020 | Stefano Morozzi | 06/2022 |
8935 | 2^338899-150051 | 102019 | Stefano Morozzi | 12/2021 |
8936 | 2^338899+125951 | 102019 | Stefano Morozzi | 12/2021 |
8937 | 2^338898+179623 | 102019 | Stefano Morozzi | 01/2022 |
8938 | 2^338899-154467 | 102019 | Stefano Morozzi | 02/2022 |
8939 | 2^338898-60753 | 102019 | Stefano Morozzi | 06/2022 |
8940 | 2^338898+68635 | 102019 | Stefano Morozzi | 09/2022 |
8941 | 2^338897-85963 | 102019 | Stefano Morozzi | 12/2022 |
8942 | 2^338898+174129 | 102019 | Stefano Morozzi | 02/2023 |
8943 | 2^338894-133295 | 102018 | Stefano Morozzi | 04/2022 |
8944 | 2^338894+165573 | 102018 | Stefano Morozzi | 06/2022 |
8945 | 2^338894-60957 | 102018 | Stefano Morozzi | 06/2022 |
8946 | 2^338894-89463 | 102018 | Stefano Morozzi | 01/2023 |
8956 | 2^338891-18885 | 102017 | Enzo Doria | 05/2013 |
8947 | 2^338891+26499 | 102017 | Stefano Morozzi | 12/2021 |
8948 | 2^338891-2625 | 102017 | Stefano Morozzi | 12/2021 |
8949 | 2^338893+128727 | 102017 | Stefano Morozzi | 01/2022 |
8950 | 2^338890-52965 | 102017 | Stefano Morozzi | 01/2022 |
8951 | 2^338892-55467 | 102017 | Stefano Morozzi | 02/2022 |
8952 | 2^338892-83393 | 102017 | Stefano Morozzi | 04/2022 |
8953 | 2^338893+13649 | 102017 | Stefano Morozzi | 05/2022 |
8954 | 2^338892+117957 | 102017 | Stefano Morozzi | 09/2022 |
8955 | 2^338892-14643 | 102017 | Stefano Morozzi | 01/2023 |
8957 | 2^338887+154029 | 102016 | Stefano Morozzi | 01/2022 |
8958 | 2^338889-104293 | 102016 | Stefano Morozzi | 02/2022 |
8959 | 2^338887+147741 | 102016 | Stefano Morozzi | 11/2022 |
8960 | 2^338889+195975 | 102016 | Stefano Morozzi | 11/2022 |
8961 | 2^338889-117873 | 102016 | Stefano Morozzi | 02/2023 |
8962 | 2^338886+177159 | 102015 | Stefano Morozzi | 12/2021 |
8963 | 2^338885+40425 | 102015 | Stefano Morozzi | 06/2022 |
8964 | 2^338884-13053 | 102015 | Stefano Morozzi | 12/2022 |
8965 | 2^338885-112569 | 102015 | Stefano Morozzi | 12/2022 |
8966 | 2^338880+11341 | 102014 | Stefano Morozzi | 03/2022 |
8967 | 2^338880-160383 | 102014 | Stefano Morozzi | 06/2022 |
8968 | 2^338880-161627 | 102014 | Stefano Morozzi | 12/2022 |
8969 | 2^338879-1059 | 102013 | Stefano Morozzi | 12/2021 |
8970 | 2^338879-54525 | 102013 | Stefano Morozzi | 02/2022 |
8971 | 2^338877-82813 | 102013 | Stefano Morozzi | 03/2022 |
8972 | 2^338878-185883 | 102013 | Stefano Morozzi | 06/2022 |
8973 | 2^338879-60355 | 102013 | Stefano Morozzi | 06/2022 |
8974 | 2^338878+43719 | 102013 | Stefano Morozzi | 09/2022 |
8975 | 2^338879+122049 | 102013 | Stefano Morozzi | 11/2022 |
8976 | 2^338874-15063 | 102012 | Stefano Morozzi | 01/2023 |
8977 | 2^338874+148993 | 102012 | Stefano Morozzi | 02/2023 |
8978 | 2^338871+7679 | 102011 | Stefano Morozzi | 02/2022 |
8979 | 2^338872+61141 | 102011 | Stefano Morozzi | 03/2022 |
8980 | 2^338872-183923 | 102011 | Stefano Morozzi | 04/2022 |
8981 | 2^338873+19527 | 102011 | Stefano Morozzi | 09/2022 |
8982 | 2^338870+70719 | 102011 | Stefano Morozzi | 11/2022 |
8983 | (19*10^102011+287)/9/3 | 102011 | Alfred Reich | 11/2022 |
8984 | 2^338870-37571 | 102011 | Stefano Morozzi | 12/2022 |
8985 | 2^338872-138573 | 102011 | Stefano Morozzi | 12/2022 |
8986 | 2^338873-63843 | 102011 | Stefano Morozzi | 12/2022 |
8987 | 2^338868-5985 | 102010 | Stefano Morozzi | 02/2022 |
8988 | 2^338867+38079 | 102010 | Stefano Morozzi | 05/2022 |
8989 | 2^338868+140437 | 102010 | Stefano Morozzi | 06/2022 |
8990 | 2^338868-110175 | 102010 | Stefano Morozzi | 06/2022 |
8991 | 2^338868+123337 | 102010 | Stefano Morozzi | 11/2022 |
8992 | 2^338867-13327 | 102010 | Stefano Morozzi | 12/2022 |
8993 | 2^338868-11279 | 102010 | Stefano Morozzi | 12/2022 |
8994 | 2^338868-115685 | 102010 | Stefano Morozzi | 01/2023 |
8995 | 2^338864+158191 | 102009 | Stefano Morozzi | 02/2022 |
8996 | 2^338865-39699 | 102009 | Stefano Morozzi | 01/2023 |
8997 | 2^338865-40789 | 102009 | Stefano Morozzi | 01/2023 |
8998 | 2^338862+60433 | 102008 | Stefano Morozzi | 03/2022 |
8999 | 2^338861-9453 | 102008 | Stefano Morozzi | 04/2022 |
9000 | 2^338861+98067 | 102008 | Stefano Morozzi | 11/2022 |