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
8061223Factored
FactorDigitsBitsDate
18661848132733511650.7old
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2018-07-26_p95holder_2CEDEFEF89C280A81314371353
Verified2020-01-14tottenhoff2CEDEFEF89C280A81785750753
History
DateUserTypeResult
2024-02-26Stef42NF-PM1
B1=937000, B2=1792472220
2020-01-14tottenhoffC-PRP
M8061223/1866184813273351 : 2CEDEFEF89C280A8
PRP: Verified
PRP without proof (not generated)
2018-07-26_p95holder_C-PRP
M8061223/1866184813273351 : 2CEDEFEF89C280A8
PRP: Verified
PRP without proof (not generated)