PRP Records

Probable Primes Top 10000

(252402 PRPs in the top)


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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1-250   251-500   501-750   751-1000   1001-1250   1251-1500   1501-1750   1751-2000   
2001-2250   2251-2500   2501-2750   2751-3000   3001-3250   3251-3500   3501-3750   3751-4000   
4001-4250   4251-4500   4501-4750   4751-5000   5001-5250   5251-5500   5501-5750   5751-6000   
6001-6250   6251-6500   6501-6750   6751-7000   7001-7250   7251-7500   7501-7750   7751-8000   
8001-8250   8251-8500   8501-8750   8751-9000   9001-9250   9251-9500   9501-9750   9751-10000   


Rank Probable prime Digits (> 50000) Who ? When ?
72512^222862-45916167089Enzo Doria05/2015
72522^222828+819367078Lelio R Paula04/2012
72533^140570+266067069Lelio R Paula06/2013
72542^222744+85567053Lelio R Paula04/2012
725513^60189+8467048Lelio R Paula07/2013
72562*10^67043-5167044Robert Price11/2017
72572^222701+57729457567040Lelio R Paula02/2016
7258(13*10^67038-31)/967039Serge Batalov11/2008
7259(151*10^67027-7)/967029Robert Price07/2017
7260(58695*2^222620-1)/6167019Lelio R Paula04/2015
72612^222614-11104167014Enzo Doria05/2014
7262118^32333-11766991Norbert Schneider08/2018
72632^222520-190766986Yves Minet03/2013
7264(4^111231+23)/366968Robert Price02/2017
72652^222408-11127566952Enzo Doria05/2014
726610^66949-9^6694966949Jean-Louis Charton12/2005
72672^222378-100566943Lelio R Paula04/2012
7268(9*2^222366+1)/7366938Lelio R Paula08/2012
72697^79202-6^(79202+1)66934Robert Price06/2016
72702^222325-11225566927Enzo Doria06/2014
727120^51428+3366910Lelio R Paula08/2013
72722^222224-1850966897Enzo Doria05/2013
7273(38*10^66896+187)/966897Robert Price11/2017
72742^222192-86968810566887Lelio R Paula02/2016
7275(19*10^66878-43)/366879Robert Price10/2017
727611^64219-6466878Lelio R Paula07/2013
72772^222151-1729566875Lelio R Paula04/2012
7278gcd(V(799885),5*F(159977)*(F(159977)+1)+1)66867Serge Batalov04/2015
72792^222085-11103166855Enzo Doria05/2014
72808*10^66848-1366849Robert Price05/2017
7281(3^140087+4)/1366838Lelio R Paula04/2012
7282(3^140102+4)/884360943766836Lelio R Paula04/2012
728319^52265+5266835Lelio R Paula08/2013
72842*10^66826-2766827Robert Price02/2017
72854*6^85867+566819Lelio R Paula09/2014
728615^56800+866802Lelio R Paula08/2013
7287(2^221891-2^110946+1)/56679611/2006
728810^66793+6944166794Patrick De Geest05/2013
728910^66793-6366793Robert Price05/2011
729035^43256-170466791Enzo Doria03/2013
72913^139976+2^(139976-1)66786Robert Price05/2016
729288769!6-4866786Robert Price08/2018
72937^79023-5466783Lelio R Paula06/2013
7294104^33109-10366782Norbert Schneider11/2016
7295(34*10^66778-7)/9/37/35890166772Makoto Morimoto04/2016
7296(-lucasV(1,2,443622)+2)/(7*281*487)66766Mike Oakes04/2017
72972^221768+18366759Lelio R Paula02/2012
7298gcd(V(1197915),5*F(239583)*(F(239583)+1)+1)66759Serge Batalov04/2015
7299(154*10^66755-1)/966757Serge Batalov12/2014
730011^64097+4866751Lelio R Paula07/2013
7301(lucasV(1,2,443547)-2)/(7*13*79*1327*221773)66749Mike Oakes04/2017
7302(19*10^66748+413)/966749Robert Price10/2017
7303(3*2^221696-1)/1366737Lelio R Paula01/2014
73048*6^85758-766734Lelio R Paula09/2014
7305135^31325+266733Lelio R Paula05/2013
7306(49*10^66729+41)/966730Robert Price07/2015
7307(349*10^66720-7)/966722Robert Price03/2017
7308(-lucasV(1,2,443285)+2)/(3^2*307)66718Mike Oakes04/2017
7309(25*10^66714+71)/366715Robert Price01/2017
731011^64061-78066713Enzo Doria11/2012
73117^78929+466703Lelio R Paula06/2013
731211^64048-93066700Enzo Doria11/2012
7313120^32079-11966699Norbert Schneider09/2018
73142*7^78921+566697Lelio R Paula09/2014
7315(25*2^221526+1)/40966685Lelio R Paula08/2012
7316(2^221509-1)/29239188166673Jens K. Andersen02/2009
73172^221479+7295366672Enzo Doria04/2016
731810^66666+27540366667Patrick De Geest03/2010
731910^66666-11552166666Patrick De Geest03/2010
7320(18*10^66657-81)/9966657Ray Chandler01/2011
73214*10^66653+2166654Robert Price08/2016
7322(10^66650+149)/366650Serge Batalov12/2014
73239^69842+3*8^69842-2*4^69842-3*2^6984266647Mike Oakes12/2010
73242^221391-214566646Lelio R Paula04/2012
7325(5*10^66613-119)/366614Robert Price04/2016
73262^221273-11323366610Enzo Doria07/2014
73273^139571-4666593Lelio R Paula06/2013
7328(4*10^(2*33295)-2*(10^33295)+1)/366591Robert Price04/2018
73292^221181-86968810566583Lelio R Paula02/2016
7330(61*10^66575-7)/966576Ray Chandler02/2012
73312^221126+13366566Lelio R Paula02/2012
733212^61680+9166564Lelio R Paula07/2013
7333(lucasV(1,2,442258)+2)/10366564Mike Oakes04/2017
7334(13*10^66551-73)/366552Robert Price12/2016
733511^63901-159066547Enzo Doria12/2012
733611^63901-150066547Enzo Doria12/2012
73376^85517+2366546Lelio R Paula07/2013
733817^54069-4066530Lelio R Paula08/2013
7339(2^110503+4725)^2+(2^110503+4725)+4166530Makoto Morimoto05/2016
7340(2^110503+8099)^2+(2^110503+8099)+4166530Makoto Morimoto05/2016
7341(2^221008-1017)/7853366526Lelio R Paula04/2012
73423^139432+2666526Lelio R Paula06/2013
7343((2^110503+5139)^2+(2^110503+5139)+41)/2086579766523Makoto Morimoto05/2016
7344((2^110503+6647)^2+(2^110503+6647)+41)/197/1732766523Makoto Morimoto05/2016
73456^85481+8548166518Henri Lifchitz08/2014
7346(9179*2^220913-1)/39966503Lelio R Paula04/2015
734713^59687+6666488Lelio R Paula07/2013
7348(49*10^66485-31)/966486Robert Price07/2015
7349(46*10^66469+17)/966470Robert Price06/2015
73502^220790+9766465Lelio R Paula02/2012
7351(23*2^220790+1)/80766463Lelio R Paula06/2012
735240009^14441-10266460Enzo Doria07/2012
73532^220736-14366449Lelio R Paula02/2012
7354(79*10^66447-97)/9966447Ray Chandler01/2011
73552^220675+6966430Lelio R Paula02/2012
735688323!6-1666419Robert Price08/2018
73572^220633-11138166418Enzo Doria05/2014
7358(2^220625-509203)/400032166409Lelio R Paula05/2012
73592^220596-1581366407Enzo Doria04/2013
7360(5*10^66394-17)/366395Serge Batalov05/2009
73612^220549-185917366392Enzo Doria04/2016
73622^220478-16166371Lelio R Paula02/2012
73635^94938-1463666359Enzo Doria02/2013
7364(F(67)^4861-F(66)^4861)/F(65)66353Wayne Halsdorf03/2012
736515444^15839-15839^1544466346Norbert Schneider08/2018
73662^220253-11487166303Enzo Doria05/2015
736712^61432+9566297Lelio R Paula07/2013
73682^220192-11156366285Enzo Doria05/2014
73692^220188-11144966284Enzo Doria05/2014
7370(4*10^66284+23)/966284Robert Price11/2014
737132501!2+266266Robert Price01/2015
7372(8*10^66261-101)/366262Robert Price10/2017
73731530*10^66254+R(66254)66258Patrick De Geest05/2016
7374(47^39623-1)/4666252Robert Price06/2014
73752^220044-9730566240Lelio R Paula04/2012
7376(77*10^66237-257)/966238Robert Price10/2017
737729^45285+266225Ray Chandler08/2011
737815^56289+3866202Lelio R Paula08/2013
73793^138749+9866201Lelio R Paula06/2013
7380(21*2^219912-1)/566201Lelio R Paula01/2014
73812^219904-1699566198Lelio R Paula10/2011
7382(3^138712-2)/529766179Lelio R Paula04/2012
7383Phi(198552,10)66177Ray Chandler07/2010
73844*6^85041+766176Lelio R Paula09/2014
73852^219812-314966171Yves Minet10/2009
73862^219795-61116766165Paul Bourdelais03/2013
738732455!2+51266162Robert Price02/2015
7388(27*2^219760-1)/22766154Lelio R Paula01/2014
7390(11^63521-4^63521)/766150Robert Price03/2013
73895*7^78274-666150Lelio R Paula09/2014
7391(-lucasV(1,2,439441)-2)/(3*11927*81359)66134Mike Oakes04/2017
73922^219679-11201566130Enzo Doria05/2014
73932^219653+15015*21965366123Henri Lifchitz04/2005
739415445^15782-15782^1544566108Norbert Schneider08/2018
73952^219600+7656166107Enzo Doria05/2016
73962^219594+25525566105Lelio R Paula10/2011
73974*7^78210-366096Lelio R Paula09/2014
7398(15185*2^219557-1)/6366096Lelio R Paula04/2015
7399(19*2^219499-1)/1366076Lelio R Paula01/2014
74002^219496+6661566075Lelio R Paula10/2011
7401(F(79021)^5-F(79020)^5)/F(79019)66057Wayne Halsdorf03/2012
7402(2^219414+7)/44365766045Lelio R Paula04/2012
7403(115*10^66043-1)/366045Serge Batalov12/2014
740410^66033+1966034Robert Price01/2011
740510^66033-7830966033Patrick De Geest05/2013
7406(lucasV(1,2,438701)+2)/759941966025Mike Oakes04/2017
74072^219304+45424566018Henri Lifchitz03/2007
7408(27*2^219293+1)/914566012Lelio R Paula08/2012
74092^219273-11263566008Enzo Doria06/2014
74102^219250+2566001Lelio R Paula08/2011
7411132^31123+13165999Norbert Schneider03/2015
7412V(319871)65987Serge Batalov03/2015
74132^219189-19565983Lelio R Paula08/2011
7414(7*2^219143-1)/5565968Lelio R Paula01/2014
7415(73^35401-1)/7265962Paul Bourdelais08/2017
74162^219112-1700965960Enzo Doria05/2013
74172^219093-11120165954Enzo Doria05/2014
74182^219089-11209965953Enzo Doria06/2014
741946714!3+8165950Robert Price09/2014
7420(11*10^65944-131)/365945Robert Price02/2017
74212^219021-355365932Yves Minet03/2017
7422Pell-LucasQ(172243)/265931Eric W. Weisstein01/2007
74232^218990+7351965923Enzo Doria04/2016
742458^37378-5765914Norbert Schneider09/2014
7426(2^218945-7)/167565906Lelio R Paula04/2012
74255*10^65905+8165906Robert Price08/2017
74273*10^65899-1365900Robert Price11/2017
7428(-lucasV(1,2,437845)-2)/167991765896Mike Oakes04/2017
7429127^31322-265896Lelio R Paula10/2017
74312^218897-11188965895Enzo Doria05/2014
74302^218896+186945165895Enzo Doria05/2016
743263^36616+265885Lelio R Paula05/2013
7433(3*2^218822-1)/1165872Lelio R Paula01/2014
74342^218796-11329765865Enzo Doria07/2014
74352^218797+7372765865Enzo Doria04/2016
74363^138040-11065862Lelio R Paula06/2013
743711^63240-195065858Enzo Doria12/2012
74382^218764-11187365855Enzo Doria05/2014
7439(34*10^65839-7)/9/3765839Makoto Morimoto04/2016
74403^137988+2665838Lelio R Paula06/2013
74412^218680-71965830Yves Minet05/2012
744218^52424+1765807Lelio R Paula08/2013
7443(2*15683^15683+1)/73238442565789David Broadhurst09/2010
7444(23*2^218517+1)/1900365778Lelio R Paula07/2012
7445(5*10^65773+1)/365774Erik Branger12/2013
74462^218457-1732965763Enzo Doria05/2013
7447151703#+22338165759Nicolas PALAU10/2016
74482^218436+4075565756Lelio R Paula10/2011
7449(F(44)^7433-F(43)^7433)/F(42)65744Wayne Halsdorf03/2012
7450157^29934+29934^15765733Serge Batalov05/2014
7451211^28273-265715Lelio R Paula09/2013
7452(59*10^65712+31)/965713Robert Price09/2015
7453611^23586+23586^61165712Norbert Schneider08/2016
7454p(13991)#/2+3265712Robert Price12/2016
74552^218282-1848565710Enzo Doria05/2013
74562^218274-11125165708Enzo Doria05/2014
74572*F(314335)-165693Henri Lifchitz12/2009
74582^218200+42765685Henri Lifchitz01/2005
7459(10199^16384+10197^16384)/265676Jeppe Stig Nielsen04/2018
7460(10199^(2^14)+(10197)^(2^14))/265676Robert Price05/2018
746146532!3+365667Robert Price10/2014
74622^218120-14765661Lelio R Paula08/2011
7463452^24729+24729^45265659Norbert Schneider09/2016
74642^218102-11489365656Enzo Doria05/2015
7465(15*2^218083-1)/1765650Lelio R Paula01/2014
7466(15*2^218081+1)/1894165646Lelio R Paula08/2012
7467(306^26407-1)/30565638Eric Chen09/2017
746819^51326+3665634Lelio R Paula08/2013
7469(21*2^218045-1)/45158365634Lelio R Paula01/2014
74702^217989-3365622Lelio R Paula08/2011
7471(13*2^217961+1)/365614Lelio R Paula06/2012
74724*6^84315-565611Lelio R Paula09/2014
7473(315047^11933+1)/31504865607Faysal YAtim06/2008
74746^84303+5565601Lelio R Paula07/2013
7475(-lucasV(1,2,435857)+2)/(173*859*8017)65595Mike Oakes04/2017
7476(9787*2^217873-1)/3765589Lelio R Paula04/2015
74775*2^217858+365583Lelio R Paula04/2014
7478(19*10^65572+119)/365573Robert Price02/2017
748020^50399+5165571Lelio R Paula08/2013
74797162^17009+17009^716265571Norbert Schneider07/2018
748111^62946-567065552Enzo Doria01/2013
74822^217742-391165547Yves Minet08/2009
7483(19*10^65545+77)/365546Robert Price08/2016
74842^217731+13165544Lelio R Paula08/2011
74852^217720-11128765541Enzo Doria05/2014
7486(365^25579+1)/36665539Eric Chen10/2017
748710^65537+2765538Robert Price01/2011
748810^65537-7685965537Patrick De Geest05/2013
7489(28*10^65532+359)/965533Robert Price11/2017
7490(10223*2^217676+1)/365531Lelio R Paula06/2014
7491PadovanNumber[536485]65518Eric W. Weisstein05/2009
74925*10^65509+2365510Robert Price11/2017
7493(8*10^65507-83)/365508Robert Price10/2017
74947*10^65492-4765493Robert Price02/2017
74952^217547-186840765489Enzo Doria04/2016
74962^217531-11176965484Enzo Doria05/2014
74977^77484-1865482Lelio R Paula06/2013
74982^217488-11328565471Enzo Doria07/2014
7499151153#/30-3065468Henri Lifchitz12/2011
75002^217466+425765464Lelio R Paula10/2011


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: December, 17 2018 20:37 (Time in France)

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