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Search for : (10^n+c)/d


Rank
Probable prime
Digits (> 10000)
Who?
When?
51(10^1600787+1)/111600786Paul Bourdelais05/2020
227(10^718580+269)/9718580Serge Batalov12/2014
241(10^685224+89)/9685224Serge Batalov12/2014
245(10^675470+269)/9675470Serge Batalov12/2014
282(10^631715+53)/9631715Rytis Slatkevicius01/2023
434(10^538508+53)/9538508Rytis Slatkevicius01/2023
843(10^427912+89)/9427912Serge Batalov12/2014
1347(10^330906+71)/9330906Serge Batalov07/2015
1366(10^326884+7)/421326882Alfred Reich12/2021
1471(10^304986+7)/673304984Alfred Reich11/2021
1704(10^279978+11)/3279978Serge Batalov07/2015
1834(10^268207+1)/11268206Paul Bourdelais02/2010
2224(10^230706+179)/9230706Serge Batalov12/2014
2268(10^226381+1)/14973418875371226368Alfred Reich06/2025
2316(10^221654+179)/9221654Serge Batalov12/2014
2879(10^200001+149)/3200001Serge Batalov12/2014
3096(10^192216+7)/149192214Alfred Reich07/2021
3186(10^188566+7)/311640753181661188552Alfred Reich04/2022
3196(10^188164+359)/9188164Serge Batalov12/2014
3406(10^181996+41)/3181996Robert Price12/2017
3408(10^181960+3)/7181960Jinyuan Wang11/2024
3450(10^180689+71)/9180689Serge Batalov07/2015
3484(10^179643+173)/3179643Robert Price05/2021
3567(10^176584+77)/3176584Robert Price01/2018
3797(10^169044+173)/3169044Robert Price05/2021
3948(10^164643+83)/3164643Robert Price08/2021
3956(10^164284+77)/3164284Robert Price01/2018
4018(10^162138+11)/3162138Serge Batalov07/2015
4166(10^157792+359)/9157792Serge Batalov12/2014
4202(10^156640+7)/53156639Alfred Reich07/2021
4680(10^146606+1)/2931129793051428557705609146582Anonymous03/2026
4708(10^146063+71)/9146063Serge Batalov07/2015
4902(10^142699+359)/9142699Serge Batalov12/2014
4915(10^142425+359)/9142425Serge Batalov12/2014
5119(10^139398+191)/3139398Robert Price02/2018
5167(10^138622+161)/9138622Robert Price09/2021
5398(10^135174+191)/3135174Robert Price02/2018
5413(10^135011+719)/9135011Serge Batalov12/2014
5454(10^134385+719)/9134385Serge Batalov12/2014
5809(10^129295+83)/3129295Robert Price08/2021
6095(10^125706+149)/3125706Serge Batalov12/2014
6325(10^122857+167)/3122857Robert Price05/2021
6505(10^120782+29)/3120782Serge Batalov12/2014
6528(10^120574+359)/9120574Serge Batalov12/2014
6610(10^119880+179)/9119880Serge Batalov12/2014
6612(10^119836+77)/3119836Robert Price01/2018
6746(10^118324+359)/9118324Serge Batalov12/2014
6948(10^116201+7)/39623116197Alfred Reich06/2021
7342(10^112067+53)/9112067Serge Batalov07/2015
7365(10^111902+71)/9111902Serge Batalov07/2015
9342(10^103423+173)/3103423Robert Price05/2021
12049(10^99497+173)/399497Robert Price05/2021
12163(10^98890+149)/398890Serge Batalov12/2014
13122(10^94096+191)/394096Robert Price11/2017
14393(10^89160+29)/389160Serge Batalov12/2014
14522(10^88680+11)/388680Robert Price11/2014
14670(10^88020+101)/388020Robert Price04/2016
15201(10^85864+53)/985864Robert Price01/2015
15240(10^85712+53)/985712Robert Price01/2015
15670(10^83916+449)/983916Serge Batalov12/2014
16130(10^81848+77)/381848Robert Price01/2017
16214(10^81363+719)/981363Serge Batalov12/2014
16215(10^81353+449)/981353Serge Batalov12/2014
16459(10^80363+1)/1186613600417422195087690646380335Anonymous10/2020
16476(10^80262+7)/76459214057980251Alfred Reich08/2022
16772(10^79067+77)/379067Robert Price01/2017
17161(10^77637+359)/977637Serge Batalov12/2014
17548(10^75992+167)/375992Robert Price05/2021
17611(10^75707+77)/375707Robert Price01/2017
17967(10^74350+11)/374350Robert Price11/2014
18341(10^72821+71)/972821Robert Price11/2014
18520(10^72097+149)/372097Serge Batalov12/2014
18734(10^71223+59)/371223Serge Batalov12/2014
19580(10^68078+59)/368078Serge Batalov12/2014
19768(10^67404+179)/967404Serge Batalov12/2014
19992(10^66650+149)/366650Serge Batalov12/2014
20302(10^65633+167)/365633Robert Price05/2021
20402(10^65340+47)/365340Robert Price11/2017
20703(10^64439+1)/43453627719764428Anonymous11/2024
21295(10^62451+119)/362451Serge Batalov12/2014
21308(10^62402+101)/362402Robert Price04/2016
23401(10^60000+2249)/960000Makoto Morimoto09/2016
24085(10^58571+41)/358571Robert Price01/2017
25386(10^55087+145530)/1055087Stefano Morozzi07/2019
25390(10^55077+78190)/1055077Stefano Morozzi07/2019
25395(10^55061+198810)/1055061Stefano Morozzi07/2019
25397(10^55055+3210)/1055055Stefano Morozzi07/2019
25398(10^55055+105190)/1055055Stefano Morozzi07/2019
25407(10^55037+52590)/1055037Stefano Morozzi07/2019
25409(10^55032+174790)/1055032Stefano Morozzi07/2019
25412(10^55026+4330)/1055026Stefano Morozzi07/2019
25413(10^00055026+191790)/1055026Stefano Morozzi07/2019
25414(10^55023+23470)/1055023Stefano Morozzi07/2019
25415(10^55023+41370)/1055023Stefano Morozzi07/2019
25416(10^55022+192790)/1055022Stefano Morozzi07/2019
25422(10^55012+102570)/1055012Stefano Morozzi07/2019
25424(10^55010+53130)/1055010Stefano Morozzi07/2019
25425(10^55004+41610)/1055004Stefano Morozzi07/2019
25426(10^55003+172270)/1055003Stefano Morozzi07/2019
25427(10^55003+180790)/1055003Stefano Morozzi07/2019
25652(10^54290+41)/354290Robert Price01/2017
25765(10^53991+179)/953991Serge Batalov12/2014
25784(10^53947+83)/353947Robert Price08/2021
25821(10^53859+149)/353859Serge Batalov12/2014
28804(10^52667+77)/352667Robert Price01/2017
44669(10^51364+119)/351364Serge Batalov12/2014
48282(10^51054+17)/951054Robert Price10/2014
53753(10^50647+1)/65949776610767279046854063312654138752434457642782204423007750588Alfred Reich09/2023
61396(10^49806+119)/349806Serge Batalov12/2014
62351(10^47095+191)/347095Robert Price11/2017
63267(10^44952+101)/344952Robert Price04/2016
63745(10^44056+77)/344056Robert Price01/2017
64550(10^42689+53)/942689Erik Branger03/2013
64859(10^42145+77)/342145Robert Price01/2017
65151(10^41756+29)/341756Serge Batalov12/2014
65491(10^41190+47)/341190Robert Price11/2017
65641(10^40984+119)/340984Serge Batalov12/2014
67014(10^38936+191)/338936Robert Price11/2017
67915(10^37473+119)/337473Serge Batalov12/2014
68697(10^36162+47)/336162Robert Price11/2017
70304(10^34613+179)/934613Serge Batalov12/2014
70544(10^34305+77)/334305Robert Price01/2017
70861(10^33886+539)/933886Serge Batalov12/2014
71193(10^33421+47)/333421Robert Price11/2017
71398(10^33170+101)/333170Robert Price04/2016
72838(10^31574+119)/331574Serge Batalov12/2014
73267(10^31146+101)/331146Robert Price04/2016
151949(10^29674+191)/329674Ray Chandler04/2011
152298(10^29327+77)/329327Ray Chandler04/2011
152376(10^29273+341)/929273Ray Chandler07/2011
153038(10^28624+251)/928624Ray Chandler06/2011
153399(10^28294+431)/928294Ray Chandler06/2011
153932(10^27763+521)/927763Ray Chandler06/2011
154143(10^27559+167)/327559Ray Chandler04/2011
154731(10^27069+503)/927069Ray Chandler06/2011
155489(10^26693+449)/926693Ray Chandler06/2011
155572(10^26662+737)/926662Ray Chandler06/2011
155817(10^26538+413)/926538Ray Chandler06/2011
155886(10^26507+101)/326507Ray Chandler04/2011
157812(10^25658+611)/925658Ray Chandler05/2011
159688(10^24804+23)/324804Ray Chandler04/2011
161414(10^24048+59)/324048Ray Chandler04/2011
162838(10^23593+143)/923593Ray Chandler05/2011
164298(10^22973+53)/922973Lelio R Paula10/2008
164764(10^22772+113)/322772Ray Chandler03/2011
165935(10^22287+119)/322287Ray Chandler03/2011
166312(10^22138+467)/922138Ray Chandler05/2011
166453(10^22078+737)/922078Ray Chandler05/2011
166531(10^22051+521)/922051Ray Chandler05/2011
166666(10^21993+191)/321993Ray Chandler03/2011
167055(10^21836+23)/321836Ray Chandler03/2011
170105(10^20855+77)/320855Ray Chandler03/2011
201027(10^20016+17)/920016Robert Price10/2014
204944(10^19988+41)/319988Ray Chandler11/2010
205994(10^19429+17)/8119428Lelio R Paula12/2010
209429(10^18134+149)/318134Ray Chandler11/2010
220146(10^16031+101)/316031Ray Chandler11/2010
224851(10^15558+137)/315558Ray Chandler11/2010
232962(10^14984+119)/314984Ray Chandler10/2010
239570(10^14372+83)/314372Ray Chandler10/2010
241734(10^14118+11)/314118Lelio R Paula04/2012
245412(10^13624+113)/313624Ray Chandler10/2010
246582(10^13463+167)/313463Ray Chandler10/2010
250528(10^12991+131)/312991Ray Chandler10/2010
250556(10^12987+119)/312987Ray Chandler10/2010
255309(10^12407+47)/312407Ray Chandler10/2010
257087(10^12294+149)/312294Ray Chandler10/2010
261294(10^11774+101)/311774Ray Chandler10/2010
262811(10^11600+77)/311600Ray Chandler10/2010
270476(10^10683+11)/310683Lelio R Paula04/2012
270739(10^10650+173)/310650Ray Chandler10/2010
283483(10^10246+41)/310246Ray Chandler10/2010
284268(10^10214+29)/310214Ray Chandler10/2010
291384(10^10044+9)/17310042Lelio R Paula04/2006

Total : 174 PRP(s)



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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: June, 21 2026 15:15 (Time in France)