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
7978981Factored
FactorDigitsBitsDate
22831088149324011651.0old
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2018-06-26_p95holder_FDC7BEFD4DA646601689044653
Verified2019-12-19Luigi MorelliFDC7BEFD4DA646601313177653
History
DateUserTypeResult
2024-02-14Stef42NF-PM1
B1=859000, B2=1420146000
2019-12-19Luigi MorelliC-PRP
M7978981/2283108814932401 : FDC7BEFD4DA64660
PRP: Verified
PRP without proof (not generated)
2018-06-26_p95holder_C-PRP
M7978981/2283108814932401 : FDC7BEFD4DA64660
PRP: Verified
PRP without proof (not generated)