Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
288527Factored
FactorDigitsBitsDate
57872745671032.4old
1135094070711236.72008-07-21 09:15:58
7410325499111239.42008-07-21 09:15:58
178199468686011444.02008-07-21 09:15:58
12933131222549564871960.22014-09-26 12:10:55
63956769164470649449692272.42015-11-06 13:18:33
143457707623983007754501554732993.52020-10-31 00:03:54
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000167 / 1566
Estimated T-Level: 30.5 ⓘ
TF below 2^96 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse8F2FCCE9E6A2CA886013
Verified (Factored)2017-10-12Oliver Kruse8F2FCCE9E6A2CA88616386413
Verified (Factored)2017-11-06kkmrkkblmbrbk8F2FCCE9E6A2CA8862184813
Verified (Factored)2020-04-17Oliver KruseF957F113D41F07AB623652153
Verified2020-10-31Jinyuan WangF957F113D41F07AB714381053
Verified2020-11-01mrhF957F113D41F07AB726533653
History
DateUserTypeResult
2021-05-11Seth_TrNF-PM1
B1=1000000000, B2=231000000000
2021-03-18Seth_TrNF-PM1
B1=200000000, B2=36200000000
2021-03-10Seth_TrNF-PM1
B1=20000000, B2=2820000000
2020-11-01mrhC-PRP
M288527/5787274567/113509407071/17819946868601/741032549911/1293313122254956487/6395676916447064944969/14345770762398300775450155473 : F957F113D41F07AB
PRP: Verified
PRP without proof (small exponent)
2020-10-31Jinyuan WangC-PRP
M288527/5787274567/113509407071/741032549911/17819946868601/1293313122254956487/6395676916447064944969/14345770762398300775450155473 : F957F113D41F07AB
PRP proof power = 5
PRP: Verified
PRP proof never uploaded
2020-10-31nordiF-ECM
Factor: 14345770762398300775450155473 / (ECM curve 7, B1=250000, B2=25000000, Sigma=2716082620025316)
2020-04-17Oliver KruseC-PRP
M288527/5787274567/113509407071/741032549911/17819946868601/1293313122254956487/6395676916447064944969 : F957F113D41F07AB
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M288527/5787274567/113509407071/741032549911/17819946868601/1293313122254956487/6395676916447064944969 : 8F2FCCE9E6A2CA88
PRP: Verified
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M288527/5787274567/113509407071/17819946868601/741032549911/1293313122254956487/6395676916447064944969 : 8F2FCCE9E6A2CA88
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M288527/known_factors : 8F2FCCE9E6A2CA88
PRP without proof (not generated)
2015-11-06TJAOIF-ECM
Factor: 6395676916447064944969 / (ECM curve 19, B1=50000, B2=5000000)
2014-09-26TJAOIF-ECM
Factor: 1293313122254956487 / (ECM curve 7, B1=50000, B2=5000000)
2008-07-21J FeitsmaF
Factor: 741032549911
2008-07-21J FeitsmaF
Factor: 17819946868601
2008-07-21J FeitsmaF
Factor: 113509407071