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
2120051Factored
FactorDigitsBitsDate
101520295774791443.2old
ECM
DigitsB1Curves
2550000131 / 280
Estimated T-Level: 22.3
TF below 2^69 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-07Oliver KruseD8D32224E2B9E4291013
Verified2017-11-17kkmrkkblmbrbkD8D32224E2B9E429144146713
History
DateUserTypeResult
2017-11-17kkmrkkblmbrbkC-PRP
M2120051/10152029577479 : D8D32224E2B9E429
PRP: Verified
PRP without proof (not generated)
2017-10-07Oliver KruseC-PRP
M2120051/10152029577479 : D8D32224E2B9E429
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12