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
702101Factored
FactorDigitsBitsDate
26551890016019288973772271.22007-12-23 16:36:24
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
Verified2017-09-27Oliver KruseA29D9CA7B9EFA2AD1013
Verified2017-09-28Oliver KruseA29D9CA7B9EFA2AD1013
Verified2017-11-08kkmrkkblmbrbkA29D9CA7B9EFA2AD151761213
Unverified (Reliable)2020-04-20Oliver KruseB7824E3DE957F6__151533753
History
DateUserTypeResult
2022-12-21USAFSSNF-PM1
B1=1500000, B2=4299875580
2020-04-20Oliver KruseC-PRP
M702101/2655189001601928897377 : B7824E3DE957F6__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-11-08kkmrkkblmbrbkC-PRP
M702101/2655189001601928897377 : A29D9CA7B9EFA2AD
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M702101/2655189001601928897377 : A29D9CA7B9EFA2AD
PRP: Unverified (Reliable)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M702101/2655189001601928897377 : A29D9CA7B9EFA2AD
PRP: Unverified (Reliable)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2007-12-23James HeinrichF-ECM
Factor: 2655189001601928897377