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

PrimeNet Exponent Status

Exponent Range:





MnDetails
9631777
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
7895483336550071549.5old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2019-10-05mnd933E9B91B11E9035A1862426653
Verified
Certified Good
2020-12-17storm551033E9B91B11E9035A1535152753
History
DateUserTypeResult
2025-12-21Mingye WangNF-PM1B1=1700000, B2=4638613980
2025-12-04Mingye WangNFno factor TF: 68-69
2020-12-17Franklin WebberCERT
Proof certified good
2020-12-17storm5510C-PRPM9631777/789548333655007 : 33E9B91B11E9035A
Proof Certified Good

Proof Power: 8

2019-10-05mnd9C-PRPM9631777/789548333655007 : 33E9B91B11E9035A