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
7991177Factored
FactorDigitsBitsDate
191788249927.5old
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2018-07-04_p95holder_05D784E0B52BB6271165001953
Verified2019-12-24arnaud05D784E0B52BB6271237293553
History
DateUserTypeResult
2024-02-14Stef42NF-PM1
B1=859000, B2=1345398600
2019-12-24arnaudC-PRP
M7991177/191788249 : 05D784E0B52BB627
PRP: Verified
PRP without proof (not generated)
2018-07-04_p95holder_C-PRP
M7991177/191788249 : 05D784E0B52BB627
PRP: Verified
PRP without proof (not generated)