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
67Factored
FactorDigitsBitsDate
193707721927.5old
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2018-01-24Luke_Richards0000000000000051013
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2018-01-24_p95holder_PRP_PRP_PRP_PRP_1013
History
DateUserTypeResult
2022-04-19KrieselNF-PM1
B1=50000, B2=136004943574500
2018-01-24_p95holder_P-PRP
M67/193707721 is a probable prime.
2018-01-24Luke_RichardsC-PRP
0000000000000051
PRP: Verified (Factored)
PRP without proof (not generated)