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
397Factored
FactorDigitsBitsDate
2383411.2old
6353412.6old
50023515.6old
53993515.7old
202471617.6old
5877983722.5old
8141328728085225879408868567433099.4old
123490421357600027254284114607331100.0old
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2018-01-24Luke_Richards9A7869B956D09167013
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2018-01-02ATHPRP_PRP_PRP_PRP_8013
History
DateUserTypeResult
2018-01-24Luke_RichardsC-PRP
9A7869B956D09167
PRP: Verified (Factored)
PRP without proof (not generated)
2018-01-02ATHP-PRP
M397/2383/6353/50023/53993/202471/5877983/814132872808522587940886856743/1234904213576000272542841146073 is a probable prime.