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

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MnStatusDetails
11627537Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1390420874471237.0old
1557471140480871547.12008-09-08 07:37:05
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-09-23LaurVF33D5ACC58DB72CB2218152853
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=6976518, B2=448598700
2025-02-10yuriy_5-1NF-PM1
B1=4651012, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-09-24Ben DeloCERT
PRP Certification
Proof certified good
2021-09-23LaurVC-PRP
M11627537/139042087447/155747114048087 : F33D5ACC58DB72CB
PRP proof power = 8
PRP: Verified
Proof certified good
2008-09-08Will EdgingtonF
Factor: 155747114048087