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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
725749Factored
FactorDigitsBitsDate
139866347291133.7old
13764947438471340.32008-07-16 09:25:13
3901815256560457930522484236873098.32023-01-05 03:51:16
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-27Oliver KruseF06D7A40928C14C52013
Verified (Factored)2017-09-28Oliver KruseF06D7A40928C14C52013
Verified (Factored)2017-11-09kkmrkkblmbrbkF06D7A40928C14C5250719413
Verified (Factored)2020-04-20Oliver Kruse0159D61B3A1A637C228324353
Verified2023-01-06LordJulius0159D61B3A1A637C334928653
P-1 factors
DateFactorB1B2
2023-01-0539018152565604579305224842368715000003613488450
History
DateUserTypeResult
2023-01-06curtiscCERT
PRP Certification
Proof certified good
2023-01-06LordJuliusC-PRP
M725749/13986634729/1376494743847/390181525656045793052248423687 : 0159D61B3A1A637C
PRP proof power = 6
PRP: Verified
Proof certified good
2023-01-05USAFSSF-PM1
Factor: 390181525656045793052248423687 / (P-1, B1=1500000, B2=3613488450)
2020-04-20Oliver KruseC-PRP
M725749/13986634729/1376494743847 : 0159D61B3A1A637C
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M725749/13986634729/1376494743847 : F06D7A40928C14C5
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M725749/13986634729/1376494743847 : F06D7A40928C14C5
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M725749/13986634729/1376494743847 : F06D7A40928C14C5
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-07-16J FeitsmaF
Factor: 1376494743847