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
10356239
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
20712479824.3old
82849913826.32008-09-08 06:31:44
73574831211635211652.72014-08-21 11:25:20
2122636112950323874792167.52022-10-06 10:28:35
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2020-05-01AbsolutXTR607FB4F24FDF736C3447659853
Factored
Certified Good
2021-02-24XZT607FB4F24FDF736C3626431853
Verified
Certified Good
2022-10-13Perig607FB4F24FDF736C4932411353
History
DateUserTypeResult
2025-12-06Sid & AndyNF-PM1B1=1700000, B2=1975096200
2022-10-13curtiscCERT
Proof certified good
2022-10-13PerigC-PRPM10356239/20712479/82849913/7357483121163521/212263611295032387479 : 607FB4F24FDF736C
Proof Certified Good

Proof Power: 8

2022-10-06TJAOIFFactor: 212263611295032387479
2021-02-24curtiscCERT
Proof certified good
2021-02-24XZTC-PRPM10356239/20712479/82849913/7357483121163521 : 607FB4F24FDF736C
Proof Certified Good

Proof Power: 8

2020-05-01AbsolutXTRC-PRPM10356239/20712479/82849913/7357483121163521 : 607FB4F24FDF736C
2014-08-21TJAOIFFactor: 7357483121163521
2008-09-08Will EdgingtonFFactor: 82849913