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

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MnStatusDetails
11628577Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2346181695531237.8old
139691966075979771753.62014-10-03 11:13:16
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-09-24LaurVD8209DA6B0BEE5F72974617853
History
DateUserTypeResult
2025-06-10yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-05yuriy_5-1NF
no factor from 2^69 to 2^70
2025-03-31yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-11yuriy_5-1NF-PM1
B1=6977142, B2=448598700
2025-02-10yuriy_5-1NF-PM1
B1=4651428, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-09-25curtiscCERT
PRP Certification
Proof certified good
2021-09-24LaurVC-PRP
M11628577/234618169553/13969196607597977 : D8209DA6B0BEE5F7
PRP proof power = 8
PRP: Verified
Proof certified good
2014-10-03TJAOIF
Factor: 13969196607597977 / TF: 53-54