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
10409561
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
439762314006011445.3old
1314156161034175379592166.82020-10-15 14:22:29
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
PRP without proof (not generated)
2020-06-12Sébastien BROUCKE783E7DBB19B8C85A1523476353
Verified
Certified Good
2020-10-16mrh783E7DBB19B8C85A2444845653
History
DateUserTypeResult
2026-02-08Sid & AndyNF-PM1B1=1700000, B2=1921227000
2020-10-16curtiscCERT
Proof certified good
2020-10-16mrhC-PRPM10409561/43976231400601/131415616103417537959 : 783E7DBB19B8C85A
Proof Certified Good

Proof Power: 8

2020-10-15TJAOIFFactor: 131415616103417537959
2020-06-12Sébastien BROUCKEC-PRPM10409561/43976231400601 : 783E7DBB19B8C85A