Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
11646923Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
23293847824.5old
21120996045131340.92008-10-01 00:34:43
294450053255291444.72008-10-01 00:34:43
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-10-29ThomRuley96EC4C55CD897C433839585813
Verified2021-10-29LaurV96EC4C55CD897C433420785213
History
DateUserTypeResult
2025-06-10yuriy_5-1NF
no factor from 2^70 to 2^71
2025-04-30yuriy_5-1F
Factors: 23293847,29445005325529 / TF: 69-70
2025-04-04yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-10yuriy_5-1NF-PM1
B1=6988152, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4658768, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-29LaurVC-PRP
M11646923/23293847/2112099604513/29445005325529 : 96EC4C55CD897C43
PRP: Verified
PRP without proof (not generated)
2021-10-29ThomRuleyC-PRP
M11646923/23293847/2112099604513/29445005325529 : 96EC4C55CD897C43
PRP: Verified
PRP without proof (not generated)
2008-10-01markrF
Factor: 29445005325529
2008-10-01markrF
Factor: 2112099604513