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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MnStatusDetails
8023957Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
48143743825.5old
669634838956278177612065.92019-06-13 11:15:26
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2018-07-12_p95holder_3BC2C5549E6DAE46199749453
Verified2019-06-16Chang Chia-Tche3BC2C5549E6DAE462419260153
History
DateUserTypeResult
2024-02-24Stef42NF-PM1
B1=937000, B2=1792472220
2019-06-16Chang Chia-TcheC-PRP
M8023957/48143743/66963483895627817761 : 3BC2C5549E6DAE46
PRP: Verified
PRP without proof (not generated)
2019-06-13TJAOIF
Factor: 66963483895627817761 / TF: 65-66
2018-07-12_p95holder_C-PRP
M8023957/48143743 : 3BC2C5549E6DAE46
PRP: Verified
PRP without proof (not generated)