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
257Factored
FactorDigitsBitsDate
5350061388143591548.9old
11556853952466191826730332579.9old
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2018-01-24Luke_Richards27F40F11A7B71005013
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2018-01-24_p95holder_PRP_PRP_PRP_PRP_2013
History
DateUserTypeResult
2018-01-24_p95holder_P-PRP
M257/535006138814359/1155685395246619182673033 is a probable prime.
2018-01-24Luke_RichardsC-PRP
27F40F11A7B71005
PRP: Verified (Factored)
PRP without proof (not generated)