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
9845677
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
59074063825.8old
5222135265987611548.92014-04-16 11:38:52
95372958247580411653.12014-09-03 11:39:25
1066429944093433280332166.52020-05-12 08:34:51
1434901705192356245592167.02021-02-02 12:30:03
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2019-11-03ATH7D9F8D0C325E1FAB3817367053
Factored
PRP without proof (not generated)
2020-05-18James Heinrich7D9F8D0C325E1FAB4324755653
Verified
Certified Good
2021-02-03mrh7D9F8D0C325E1FAB5155159053
History
DateUserTypeResult
2026-02-01cherubrockNF-PM1B1=1260000, B2=168052500
2026-01-25cherubrockNF-PM1B1=1520000
2026-01-18cherubrockNF-PM1B1=1260000
2022-12-31LordJuliusNFno factor TF: 68-69
2022-11-11LordJuliusNFno factor TF: 67-68
2022-11-11LordJuliusNFno factor TF: 65-66
2022-11-11LordJuliusNFno factor TF: 64-65
2021-02-03Theo PolidanoCERT
Proof certified good
2021-02-03mrhC-PRPM9845677/59074063/522213526598761/9537295824758041/106642994409343328033/143490170519235624559 : 7D9F8D0C325E1FAB
Proof Certified Good

Proof Power: 8

2021-02-02TJAOIFFactor: 143490170519235624559
2020-05-18James HeinrichC-PRPM9845677/59074063/522213526598761/9537295824758041/106642994409343328033 : 7D9F8D0C325E1FAB
2020-05-12TJAOIFFactor: 106642994409343328033
2019-11-03ATHC-PRPM9845677/59074063/522213526598761/9537295824758041 : 7D9F8D0C325E1FAB
2014-09-03TJAOIFFactor: 9537295824758041
2014-04-16TJAOIFFactor: 522213526598761