Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnDetails
8080621
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
77461479355691342.8old
225770696722317771754.32014-11-16 12:48:13
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-08-05Oliver Kruse251902D7874EA1822566789153
Verified
PRP without proof (not generated)
2020-04-30Chang Chia-Tche251902D7874EA1822134673053
History
DateUserTypeResult
2024-02-27Stef42NF-PM1B1=952000, B2=2044750890
2020-04-30Chang Chia-TcheC-PRP
M8080621/7746147935569/22577069672231777 : 251902D7874EA182
2018-08-05Oliver KruseC-PRP
M8080621/7746147935569/22577069672231777 : 251902D7874EA182
2014-11-16TJAOIFFactor: 22577069672231777