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


Rank
Probable prime
Digits (> 10000)
Who?
When?
47(10^1600787+1)/111600786Paul Bourdelais05/2020
209(10^718580+269)/9718580Serge Batalov12/2014
222(10^685224+89)/9685224Serge Batalov12/2014
226(10^675470+269)/9675470Serge Batalov12/2014
254(10^631715+53)/9631715Rytis Slatkevicius01/2023
380(10^538508+53)/9538508Rytis Slatkevicius01/2023
744(10^427912+89)/9427912Serge Batalov12/2014
1214(10^330906+71)/9330906Serge Batalov07/2015
1233(10^326884+7)/421326882Alfred Reich12/2021
1338(10^304986+7)/673304984Alfred Reich11/2021
1569(10^279978+11)/3279978Serge Batalov07/2015
1669(10^268207+1)/11268206Paul Bourdelais02/2010
2049(10^230706+179)/9230706Serge Batalov12/2014
2092(10^226381+1)/14973418875371226368Alfred Reich06/2025
2139(10^221654+179)/9221654Serge Batalov12/2014
2690(10^200001+149)/3200001Serge Batalov12/2014
2901(10^192216+7)/149192214Alfred Reich07/2021
2989(10^188566+7)/311640753181661188552Alfred Reich04/2022
2999(10^188164+359)/9188164Serge Batalov12/2014
3203(10^181996+41)/3181996Robert Price12/2017
3205(10^181960+3)/7181960Jinyuan Wang11/2024
3245(10^180689+71)/9180689Serge Batalov07/2015
3277(10^179643+173)/3179643Robert Price05/2021
3357(10^176584+77)/3176584Robert Price01/2018
3583(10^169044+173)/3169044Robert Price05/2021
3729(10^164643+83)/3164643Robert Price08/2021
3737(10^164284+77)/3164284Robert Price01/2018
3799(10^162138+11)/3162138Serge Batalov07/2015
3945(10^157792+359)/9157792Serge Batalov12/2014
3980(10^156640+7)/53156639Alfred Reich07/2021
4472(10^146063+71)/9146063Serge Batalov07/2015
4661(10^142699+359)/9142699Serge Batalov12/2014
4674(10^142425+359)/9142425Serge Batalov12/2014
4871(10^139398+191)/3139398Robert Price02/2018
4919(10^138622+161)/9138622Robert Price09/2021
5144(10^135174+191)/3135174Robert Price02/2018
5159(10^135011+719)/9135011Serge Batalov12/2014
5200(10^134385+719)/9134385Serge Batalov12/2014
5549(10^129295+83)/3129295Robert Price08/2021
5822(10^125706+149)/3125706Serge Batalov12/2014
6048(10^122857+167)/3122857Robert Price05/2021
6220(10^120782+29)/3120782Serge Batalov12/2014
6243(10^120574+359)/9120574Serge Batalov12/2014
6324(10^119880+179)/9119880Serge Batalov12/2014
6326(10^119836+77)/3119836Robert Price01/2018
6456(10^118324+359)/9118324Serge Batalov12/2014
6652(10^116201+7)/39623116197Alfred Reich06/2021
7038(10^112067+53)/9112067Serge Batalov07/2015
7060(10^111902+71)/9111902Serge Batalov07/2015
9014(10^103423+173)/3103423Robert Price05/2021
11578(10^99497+173)/399497Robert Price05/2021
11692(10^98890+149)/398890Serge Batalov12/2014
12619(10^94096+191)/394096Robert Price11/2017
13859(10^89160+29)/389160Serge Batalov12/2014
13982(10^88680+11)/388680Robert Price11/2014
14128(10^88020+101)/388020Robert Price04/2016
14523(10^85864+53)/985864Robert Price01/2015
14560(10^85712+53)/985712Robert Price01/2015
14967(10^83916+449)/983916Serge Batalov12/2014
15404(10^81848+77)/381848Robert Price01/2017
15485(10^81363+719)/981363Serge Batalov12/2014
15486(10^81353+449)/981353Serge Batalov12/2014
15723(10^80363+1)/1186613600417422195087690646380335Anonymous10/2020
15739(10^80262+7)/76459214057980251Alfred Reich08/2022
16022(10^79067+77)/379067Robert Price01/2017
16401(10^77637+359)/977637Serge Batalov12/2014
16769(10^75992+167)/375992Robert Price05/2021
16829(10^75707+77)/375707Robert Price01/2017
17168(10^74350+11)/374350Robert Price11/2014
17528(10^72821+71)/972821Robert Price11/2014
17692(10^72097+149)/372097Serge Batalov12/2014
17902(10^71223+59)/371223Serge Batalov12/2014
18718(10^68078+59)/368078Serge Batalov12/2014
18896(10^67404+179)/967404Serge Batalov12/2014
19115(10^66650+149)/366650Serge Batalov12/2014
19410(10^65633+167)/365633Robert Price05/2021
19503(10^65340+47)/365340Robert Price11/2017
19791(10^64439+1)/43453627719764428Anonymous11/2024
20359(10^62451+119)/362451Serge Batalov12/2014
20372(10^62402+101)/362402Robert Price04/2016
22430(10^60000+2249)/960000Makoto Morimoto09/2016
23090(10^58571+41)/358571Robert Price01/2017
24347(10^55087+145530)/1055087Stefano Morozzi07/2019
24351(10^55077+78190)/1055077Stefano Morozzi07/2019
24356(10^55061+198810)/1055061Stefano Morozzi07/2019
24358(10^55055+3210)/1055055Stefano Morozzi07/2019
24359(10^55055+105190)/1055055Stefano Morozzi07/2019
24368(10^55037+52590)/1055037Stefano Morozzi07/2019
24370(10^55032+174790)/1055032Stefano Morozzi07/2019
24373(10^55026+4330)/1055026Stefano Morozzi07/2019
24374(10^00055026+191790)/1055026Stefano Morozzi07/2019
24375(10^55023+23470)/1055023Stefano Morozzi07/2019
24376(10^55023+41370)/1055023Stefano Morozzi07/2019
24377(10^55022+192790)/1055022Stefano Morozzi07/2019
24383(10^55012+102570)/1055012Stefano Morozzi07/2019
24385(10^55010+53130)/1055010Stefano Morozzi07/2019
24386(10^55004+41610)/1055004Stefano Morozzi07/2019
24387(10^55003+172270)/1055003Stefano Morozzi07/2019
24388(10^55003+180790)/1055003Stefano Morozzi07/2019
24598(10^54290+41)/354290Robert Price01/2017
24709(10^53991+179)/953991Serge Batalov12/2014
24727(10^53947+83)/353947Robert Price08/2021
24759(10^53859+149)/353859Serge Batalov12/2014
27717(10^52667+77)/352667Robert Price01/2017
43563(10^51364+119)/351364Serge Batalov12/2014
47171(10^51054+17)/951054Robert Price10/2014
52632(10^50647+1)/65949776610767279046854063312654138752434457642782204423007750588Alfred Reich09/2023
60173(10^49806+119)/349806Serge Batalov12/2014
61128(10^47095+191)/347095Robert Price11/2017
62044(10^44952+101)/344952Robert Price04/2016
62522(10^44056+77)/344056Robert Price01/2017
63327(10^42689+53)/942689Erik Branger03/2013
63636(10^42145+77)/342145Robert Price01/2017
63928(10^41756+29)/341756Serge Batalov12/2014
64268(10^41190+47)/341190Robert Price11/2017
64418(10^40984+119)/340984Serge Batalov12/2014
65791(10^38936+191)/338936Robert Price11/2017
66692(10^37473+119)/337473Serge Batalov12/2014
67474(10^36162+47)/336162Robert Price11/2017
69081(10^34613+179)/934613Serge Batalov12/2014
69321(10^34305+77)/334305Robert Price01/2017
69638(10^33886+539)/933886Serge Batalov12/2014
69970(10^33421+47)/333421Robert Price11/2017
70175(10^33170+101)/333170Robert Price04/2016
71615(10^31574+119)/331574Serge Batalov12/2014
72044(10^31146+101)/331146Robert Price04/2016
150726(10^29674+191)/329674Ray Chandler04/2011
151075(10^29327+77)/329327Ray Chandler04/2011
151153(10^29273+341)/929273Ray Chandler07/2011
151815(10^28624+251)/928624Ray Chandler06/2011
152176(10^28294+431)/928294Ray Chandler06/2011
152709(10^27763+521)/927763Ray Chandler06/2011
152920(10^27559+167)/327559Ray Chandler04/2011
153508(10^27069+503)/927069Ray Chandler06/2011
154266(10^26693+449)/926693Ray Chandler06/2011
154349(10^26662+737)/926662Ray Chandler06/2011
154594(10^26538+413)/926538Ray Chandler06/2011
154663(10^26507+101)/326507Ray Chandler04/2011
156589(10^25658+611)/925658Ray Chandler05/2011
158465(10^24804+23)/324804Ray Chandler04/2011
160191(10^24048+59)/324048Ray Chandler04/2011
161615(10^23593+143)/923593Ray Chandler05/2011
163075(10^22973+53)/922973Lelio R Paula10/2008
163541(10^22772+113)/322772Ray Chandler03/2011
164712(10^22287+119)/322287Ray Chandler03/2011
165089(10^22138+467)/922138Ray Chandler05/2011
165230(10^22078+737)/922078Ray Chandler05/2011
165308(10^22051+521)/922051Ray Chandler05/2011
165443(10^21993+191)/321993Ray Chandler03/2011
165832(10^21836+23)/321836Ray Chandler03/2011
168882(10^20855+77)/320855Ray Chandler03/2011
199804(10^20016+17)/920016Robert Price10/2014
203721(10^19988+41)/319988Ray Chandler11/2010
204771(10^19429+17)/8119428Lelio R Paula12/2010
208206(10^18134+149)/318134Ray Chandler11/2010
218923(10^16031+101)/316031Ray Chandler11/2010
223628(10^15558+137)/315558Ray Chandler11/2010
231739(10^14984+119)/314984Ray Chandler10/2010
238347(10^14372+83)/314372Ray Chandler10/2010
240511(10^14118+11)/314118Lelio R Paula04/2012
244189(10^13624+113)/313624Ray Chandler10/2010
245359(10^13463+167)/313463Ray Chandler10/2010
249305(10^12991+131)/312991Ray Chandler10/2010
249333(10^12987+119)/312987Ray Chandler10/2010
254086(10^12407+47)/312407Ray Chandler10/2010
255864(10^12294+149)/312294Ray Chandler10/2010
260071(10^11774+101)/311774Ray Chandler10/2010
261588(10^11600+77)/311600Ray Chandler10/2010
269253(10^10683+11)/310683Lelio R Paula04/2012
269516(10^10650+173)/310650Ray Chandler10/2010
282260(10^10246+41)/310246Ray Chandler10/2010
283045(10^10214+29)/310214Ray Chandler10/2010
290161(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: November, 20 2025 20:37 (Time in France)