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
8322581
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
3102491745191238.2old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-21Chang Chia-Tche9743AD6B328D6C671822228453
Verified
PRP without proof (not generated)
2020-04-19marssystems9743AD6B328D6C67191651153
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1375000, B2=2788626750
2020-04-19marssystemsC-PRPM8322581/310249174519 : 9743AD6B328D6C67
2018-10-21Chang Chia-TcheC-PRPM8322581/310249174519 : 9743AD6B328D6C67