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
9674741
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
305884403156037551209992374.7old
LL
StatusDateUserResidueShiftSoftware
Factored2000-06-28Pete Isensee1C17F9EBA8B7362F5618022Windows,Prime95,v19,(aka WV1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2019-10-11Niels_Mache_NextcloudB408812DD79EE6C61810938153
Verified
Certified Good
2020-12-21storm5510B408812DD79EE6C61884322353
History
DateUserTypeResult
2026-01-15Mingye WangNF-PM1B1=1700000, B2=3716998740
2025-12-10Mingye WangNFno factor TF: 68-69
2020-12-21curtiscCERT
Proof certified good
2020-12-21storm5510C-PRP
Proof Certified Good

Proof Power: 8

2019-10-11Niels_Mache_NextcloudC-PRP
M9674741/30588440315603755120999 : B408812DD79EE6C6
2003-06-17PhantomasF-PM1Factor: 30588440315603755120999
2000-06-28-anonymous-C-LL1C17F9EBA8B7362F
1999-06-06delongNFno factor TF: 1-64