Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnDetails
9654763
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
69109536895830039131962.6old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2019-10-08mnd9A4BBB3D1D14082881272773653
Verified
Certified Good
2020-12-19storm5510A4BBB3D1D14082881144076053
History
DateUserTypeResult
2025-12-30Mingye WangNF-PM1B1=1700000, B2=4001857860
2025-12-07Mingye WangNFno factor TF: 68-69
2020-12-19BrunoCERT
Proof certified good
2020-12-19storm5510C-PRPM9654763/6910953689583003913 : A4BBB3D1D1408288
Proof Certified Good

Proof Power: 8

2019-10-08mnd9C-PRPM9654763/6910953689583003913 : A4BBB3D1D1408288
1999-05-30-anonymous-FFactor: 6910953689583003913