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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Exponent Range:





MnDetails
8356021
Composite, with 6 known prime factors. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
80050681191032.9old
26275173793671341.32008-09-08 04:31:08
1898803995914231547.42008-09-08 04:31:08
34155138072054311651.62008-09-08 04:31:08
1692761465506722983772167.22021-12-20 12:28:43
213095551374637838587212374.22024-03-07 17:03:43
P-1 factors
DateFactorsB1B2
2024-03-0721309555137463783858721
300000053783100
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-15rucio6DEF3A907E1E9E75440673453
Factored
PRP without proof (not generated)
2020-05-03arnaud6DEF3A907E1E9E754803362653
Factored
Certified Good
2021-12-27kutens6DEF3A907E1E9E755262393253
Verified
Certified Good
2024-03-14Ryan Propper6DEF3A907E1E9E756713726853
History
DateUserTypeResult
2024-03-14Section 31CERT
Proof certified good
2024-03-14Ryan PropperC-PRPM8356021/8005068119/2627517379367/189880399591423/3415513807205431/169276146550672298377/21309555137463783858721 : 6DEF3A907E1E9E75
Proof Certified Good

Proof Power: 8

2024-03-07Stef42F-PM1Factor: 21309555137463783858721 / B1=3000000, B2=53783100
2023-10-18James HeinrichFFactor: 169276146550672298377 / TF: 67-68
2022-12-27LordJuliusNFno factor TF: 68-69
2021-12-27curtiscCERT
Proof certified good
2021-12-27kutensC-PRPM8356021/8005068119/2627517379367/189880399591423/3415513807205431/169276146550672298377 : 6DEF3A907E1E9E75
Proof Certified Good

Proof Power: 8

2021-12-20TJAOIFFactor: 169276146550672298377
2020-05-03arnaudC-PRPM8356021/8005068119/2627517379367/189880399591423/3415513807205431 : 6DEF3A907E1E9E75
2018-10-15rucioC-PRPM8356021/8005068119/2627517379367/189880399591423/3415513807205431 : 6DEF3A907E1E9E75
2008-09-08Will EdgingtonFFactor: 3415513807205431
2008-09-08Will EdgingtonFFactor: 189880399591423
2008-09-08Will EdgingtonFFactor: 2627517379367