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
8318591
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
16637183824.0old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-10Luigi MorelliF80F1684306B18EE1553842953
Verified
PRP without proof (not generated)
2020-04-18Wentao HuangF80F1684306B18EE1508049053
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1376000, B2=2725257990
2020-04-18Wentao HuangC-PRPM8318591/16637183 : F80F1684306B18EE
2018-10-10Luigi MorelliC-PRPM8318591/16637183 : F80F1684306B18EE