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
260539Factored
FactorDigitsBitsDate
15111263823.8old
10202408149767447899158572579.82014-08-22 10:16:14
ECM
DigitsB1Curves
2550000280 / 280
30250000414 / 640
Estimated T-Level: 28.2
TF below 2^89 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver KruseEB79E6B61FB305072013
Verified2017-10-12kkmrkkblmbrbkEB79E6B61FB30507219601413
Unverified (Reliable)2020-04-17Oliver Kruse782FD417C3C3CC__21141753
History
DateUserTypeResult
2022-05-02Oliver KruseNF-PM1
B1=30000000, B2=10035812696910
2021-09-18Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M260539/15111263/1020240814976744789915857 : 782FD417C3C3CC__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M260539/15111263/1020240814976744789915857 : EB79E6B61FB30507
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M260539/15111263/1020240814976744789915857 : EB79E6B61FB30507
PRP: Unverified (Reliable)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M260539/15111263/1020240814976744789915857 : EB79E6B61FB30507
PRP without proof (not generated)
2014-08-22TJAOIF-ECM
Factor: 1020240814976744789915857