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
9669859
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
274223303912042391754.6old
1503074850981717431857.12015-05-21 11:22:56
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2019-10-10mnd95F7D2B5F6FC7D185256760753
Verified
Certified Good
2020-12-20storm55105F7D2B5F6FC7D1852347696753
History
DateUserTypeResult
2026-01-11Mingye WangNF-PM1B1=1700000, B2=3721726470
2025-12-09Mingye WangNFno factor TF: 68-69
2020-12-20ANONYMOUSCERT
Proof certified good
2020-12-20storm5510C-PRPM9669859/27422330391204239/150307485098171743 : 5F7D2B5F6FC7D185
Proof Certified Good

Proof Power: 8

2019-10-10mnd9C-PRPM9669859/27422330391204239/150307485098171743 : 5F7D2B5F6FC7D185
2015-05-21TJAOIFFactor: 150307485098171743