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

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MnStatusDetails
11631527Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
176369202152031611754.0old
6804406528574770774751012172789.12024-06-17 19:31:42
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2021-09-25RichD0FD1ED3C567B0049C1417771653
Verified2024-06-19yuriy_5-1FD1ED3C567B0049C2356997353
P-1 factors
DateFactorB1B2
2024-06-17680440652857477077475101217262144137022600
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=6978912, B2=448598700
2025-02-10yuriy_5-1NF-PM1
B1=4652608, B2=598008840
2024-06-19EarnestPopoverCERT
PRP Certification
Proof certified good
2024-06-19yuriy_5-1C-PRP
M11631527/17636920215203161/680440652857477077475101217 : FD1ED3C567B0049C
PRP proof power = 8
PRP: Verified
Proof certified good
2024-06-17yuriy_5-1F-PM1
Factor: 680440652857477077475101217 / (P-1, B1=262144, B2=137022600)
2021-09-25curtiscCERT
PRP Certification
Proof certified good
2021-09-25RichD0C-PRP
M11631527/17636920215203161 : FD1ED3C567B0049C
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good