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


Rank
Probable prime
Digits (> 10000)
Who?
When?
47(10^1600787+1)/111600786Paul Bourdelais05/2020
212(10^718580+269)/9718580Serge Batalov12/2014
225(10^685224+89)/9685224Serge Batalov12/2014
229(10^675470+269)/9675470Serge Batalov12/2014
257(10^631715+53)/9631715Rytis Slatkevicius01/2023
394(10^538508+53)/9538508Rytis Slatkevicius01/2023
766(10^427912+89)/9427912Serge Batalov12/2014
1242(10^330906+71)/9330906Serge Batalov07/2015
1261(10^326884+7)/421326882Alfred Reich12/2021
1366(10^304986+7)/673304984Alfred Reich11/2021
1597(10^279978+11)/3279978Serge Batalov07/2015
1698(10^268207+1)/11268206Paul Bourdelais02/2010
2083(10^230706+179)/9230706Serge Batalov12/2014
2126(10^226381+1)/14973418875371226368Alfred Reich06/2025
2173(10^221654+179)/9221654Serge Batalov12/2014
2729(10^200001+149)/3200001Serge Batalov12/2014
2942(10^192216+7)/149192214Alfred Reich07/2021
3031(10^188566+7)/311640753181661188552Alfred Reich04/2022
3041(10^188164+359)/9188164Serge Batalov12/2014
3249(10^181996+41)/3181996Robert Price12/2017
3251(10^181960+3)/7181960Jinyuan Wang11/2024
3291(10^180689+71)/9180689Serge Batalov07/2015
3324(10^179643+173)/3179643Robert Price05/2021
3406(10^176584+77)/3176584Robert Price01/2018
3634(10^169044+173)/3169044Robert Price05/2021
3783(10^164643+83)/3164643Robert Price08/2021
3791(10^164284+77)/3164284Robert Price01/2018
3853(10^162138+11)/3162138Serge Batalov07/2015
3999(10^157792+359)/9157792Serge Batalov12/2014
4034(10^156640+7)/53156639Alfred Reich07/2021
4535(10^146063+71)/9146063Serge Batalov07/2015
4725(10^142699+359)/9142699Serge Batalov12/2014
4738(10^142425+359)/9142425Serge Batalov12/2014
4938(10^139398+191)/3139398Robert Price02/2018
4986(10^138622+161)/9138622Robert Price09/2021
5216(10^135174+191)/3135174Robert Price02/2018
5231(10^135011+719)/9135011Serge Batalov12/2014
5272(10^134385+719)/9134385Serge Batalov12/2014
5624(10^129295+83)/3129295Robert Price08/2021
5905(10^125706+149)/3125706Serge Batalov12/2014
6132(10^122857+167)/3122857Robert Price05/2021
6308(10^120782+29)/3120782Serge Batalov12/2014
6331(10^120574+359)/9120574Serge Batalov12/2014
6413(10^119880+179)/9119880Serge Batalov12/2014
6415(10^119836+77)/3119836Robert Price01/2018
6548(10^118324+359)/9118324Serge Batalov12/2014
6748(10^116201+7)/39623116197Alfred Reich06/2021
7138(10^112067+53)/9112067Serge Batalov07/2015
7161(10^111902+71)/9111902Serge Batalov07/2015
9125(10^103423+173)/3103423Robert Price05/2021
11692(10^99497+173)/399497Robert Price05/2021
11806(10^98890+149)/398890Serge Batalov12/2014
12742(10^94096+191)/394096Robert Price11/2017
13987(10^89160+29)/389160Serge Batalov12/2014
14113(10^88680+11)/388680Robert Price11/2014
14259(10^88020+101)/388020Robert Price04/2016
14658(10^85864+53)/985864Robert Price01/2015
14697(10^85712+53)/985712Robert Price01/2015
15107(10^83916+449)/983916Serge Batalov12/2014
15551(10^81848+77)/381848Robert Price01/2017
15633(10^81363+719)/981363Serge Batalov12/2014
15634(10^81353+449)/981353Serge Batalov12/2014
15873(10^80363+1)/1186613600417422195087690646380335Anonymous10/2020
15890(10^80262+7)/76459214057980251Alfred Reich08/2022
16181(10^79067+77)/379067Robert Price01/2017
16565(10^77637+359)/977637Serge Batalov12/2014
16938(10^75992+167)/375992Robert Price05/2021
16999(10^75707+77)/375707Robert Price01/2017
17345(10^74350+11)/374350Robert Price11/2014
17710(10^72821+71)/972821Robert Price11/2014
17884(10^72097+149)/372097Serge Batalov12/2014
18094(10^71223+59)/371223Serge Batalov12/2014
18916(10^68078+59)/368078Serge Batalov12/2014
19098(10^67404+179)/967404Serge Batalov12/2014
19317(10^66650+149)/366650Serge Batalov12/2014
19616(10^65633+167)/365633Robert Price05/2021
19711(10^65340+47)/365340Robert Price11/2017
20005(10^64439+1)/43453627719764428Anonymous11/2024
20584(10^62451+119)/362451Serge Batalov12/2014
20597(10^62402+101)/362402Robert Price04/2016
22665(10^60000+2249)/960000Makoto Morimoto09/2016
23336(10^58571+41)/358571Robert Price01/2017
24611(10^55087+145530)/1055087Stefano Morozzi07/2019
24615(10^55077+78190)/1055077Stefano Morozzi07/2019
24620(10^55061+198810)/1055061Stefano Morozzi07/2019
24622(10^55055+3210)/1055055Stefano Morozzi07/2019
24623(10^55055+105190)/1055055Stefano Morozzi07/2019
24632(10^55037+52590)/1055037Stefano Morozzi07/2019
24634(10^55032+174790)/1055032Stefano Morozzi07/2019
24637(10^55026+4330)/1055026Stefano Morozzi07/2019
24638(10^00055026+191790)/1055026Stefano Morozzi07/2019
24639(10^55023+23470)/1055023Stefano Morozzi07/2019
24640(10^55023+41370)/1055023Stefano Morozzi07/2019
24641(10^55022+192790)/1055022Stefano Morozzi07/2019
24647(10^55012+102570)/1055012Stefano Morozzi07/2019
24649(10^55010+53130)/1055010Stefano Morozzi07/2019
24650(10^55004+41610)/1055004Stefano Morozzi07/2019
24651(10^55003+172270)/1055003Stefano Morozzi07/2019
24652(10^55003+180790)/1055003Stefano Morozzi07/2019
24868(10^54290+41)/354290Robert Price01/2017
24980(10^53991+179)/953991Serge Batalov12/2014
24998(10^53947+83)/353947Robert Price08/2021
25035(10^53859+149)/353859Serge Batalov12/2014
28002(10^52667+77)/352667Robert Price01/2017
43856(10^51364+119)/351364Serge Batalov12/2014
47464(10^51054+17)/951054Robert Price10/2014
52929(10^50647+1)/65949776610767279046854063312654138752434457642782204423007750588Alfred Reich09/2023
60476(10^49806+119)/349806Serge Batalov12/2014
61431(10^47095+191)/347095Robert Price11/2017
62347(10^44952+101)/344952Robert Price04/2016
62825(10^44056+77)/344056Robert Price01/2017
63630(10^42689+53)/942689Erik Branger03/2013
63939(10^42145+77)/342145Robert Price01/2017
64231(10^41756+29)/341756Serge Batalov12/2014
64571(10^41190+47)/341190Robert Price11/2017
64721(10^40984+119)/340984Serge Batalov12/2014
66094(10^38936+191)/338936Robert Price11/2017
66995(10^37473+119)/337473Serge Batalov12/2014
67777(10^36162+47)/336162Robert Price11/2017
69384(10^34613+179)/934613Serge Batalov12/2014
69624(10^34305+77)/334305Robert Price01/2017
69941(10^33886+539)/933886Serge Batalov12/2014
70273(10^33421+47)/333421Robert Price11/2017
70478(10^33170+101)/333170Robert Price04/2016
71918(10^31574+119)/331574Serge Batalov12/2014
72347(10^31146+101)/331146Robert Price04/2016
151029(10^29674+191)/329674Ray Chandler04/2011
151378(10^29327+77)/329327Ray Chandler04/2011
151456(10^29273+341)/929273Ray Chandler07/2011
152118(10^28624+251)/928624Ray Chandler06/2011
152479(10^28294+431)/928294Ray Chandler06/2011
153012(10^27763+521)/927763Ray Chandler06/2011
153223(10^27559+167)/327559Ray Chandler04/2011
153811(10^27069+503)/927069Ray Chandler06/2011
154569(10^26693+449)/926693Ray Chandler06/2011
154652(10^26662+737)/926662Ray Chandler06/2011
154897(10^26538+413)/926538Ray Chandler06/2011
154966(10^26507+101)/326507Ray Chandler04/2011
156892(10^25658+611)/925658Ray Chandler05/2011
158768(10^24804+23)/324804Ray Chandler04/2011
160494(10^24048+59)/324048Ray Chandler04/2011
161918(10^23593+143)/923593Ray Chandler05/2011
163378(10^22973+53)/922973Lelio R Paula10/2008
163844(10^22772+113)/322772Ray Chandler03/2011
165015(10^22287+119)/322287Ray Chandler03/2011
165392(10^22138+467)/922138Ray Chandler05/2011
165533(10^22078+737)/922078Ray Chandler05/2011
165611(10^22051+521)/922051Ray Chandler05/2011
165746(10^21993+191)/321993Ray Chandler03/2011
166135(10^21836+23)/321836Ray Chandler03/2011
169185(10^20855+77)/320855Ray Chandler03/2011
200107(10^20016+17)/920016Robert Price10/2014
204024(10^19988+41)/319988Ray Chandler11/2010
205074(10^19429+17)/8119428Lelio R Paula12/2010
208509(10^18134+149)/318134Ray Chandler11/2010
219226(10^16031+101)/316031Ray Chandler11/2010
223931(10^15558+137)/315558Ray Chandler11/2010
232042(10^14984+119)/314984Ray Chandler10/2010
238650(10^14372+83)/314372Ray Chandler10/2010
240814(10^14118+11)/314118Lelio R Paula04/2012
244492(10^13624+113)/313624Ray Chandler10/2010
245662(10^13463+167)/313463Ray Chandler10/2010
249608(10^12991+131)/312991Ray Chandler10/2010
249636(10^12987+119)/312987Ray Chandler10/2010
254389(10^12407+47)/312407Ray Chandler10/2010
256167(10^12294+149)/312294Ray Chandler10/2010
260374(10^11774+101)/311774Ray Chandler10/2010
261891(10^11600+77)/311600Ray Chandler10/2010
269556(10^10683+11)/310683Lelio R Paula04/2012
269819(10^10650+173)/310650Ray Chandler10/2010
282563(10^10246+41)/310246Ray Chandler10/2010
283348(10^10214+29)/310214Ray Chandler10/2010
290464(10^10044+9)/17310042Lelio R Paula04/2006

Total : 173 PRP(s)



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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: January, 05 2026 14:32 (Time in France)