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
8392507
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
87647482554791343.0old
15368208150071730971960.42016-02-05 12:08:38
1461574347718759099032167.02021-03-04 10:37:44
1641274647091311247591932477.12025-03-22 02:29:51
P-1 factors
DateFactorsB1B2
2025-03-22164127464709131124759193
18000008622634020
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-21rucioABB233276F2C1C2B2281793153
Factored
PRP without proof (not generated)
2020-05-15oodairaABB233276F2C1C2B2160319853
Factored
PRP without proof (not generated)
2021-03-05Alex KruppaABB233276F2C1C2B3656747853
Verified
Certified Good
2025-03-27MarkSABB233276F2C1C2B4121196153
History
DateUserTypeResult
2025-03-27Harry BruceCERT
Proof certified good
2025-03-27MarkSC-PRPM8392507/8764748255479/1536820815007173097/146157434771875909903/164127464709131124759193 : ABB233276F2C1C2B
Proof Certified Good

Proof Power: 8

2025-03-22beepF-PM1Factor: 164127464709131124759193 / B1=1800000, B2=8622634020
2022-04-09LordJuliusNFno factor TF: 65-66
2022-04-09LordJuliusNFno factor TF: 64-65
2021-03-05Alex KruppaC-PRPM8392507/8764748255479/1536820815007173097/146157434771875909903 : ABB233276F2C1C2B
2021-03-05Alex KruppaNF-PM1B1=80000, B2=1240000
2021-03-04TJAOIFFactor: 146157434771875909903
2020-05-15oodairaC-PRPM8392507/8764748255479/1536820815007173097 : ABB233276F2C1C2B
2018-10-21rucioC-PRPM8392507/8764748255479/1536820815007173097 : ABB233276F2C1C2B
2016-02-05TJAOIFFactor: 1536820815007173097