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

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MnStatusDetails
11646857Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
69881143826.1old
107849895831133.32008-09-08 07:37:28
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-10-23ThomRuley77EA7F99BCC257ED2941448813
Verified2021-10-23ATH77EA7F99BCC257ED21115273713
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
2025-04-04yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-11yuriy_5-1NF-PM1
B1=6988110, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4658740, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-23ATHC-PRP
M11646857/69881143/10784989583 : 77EA7F99BCC257ED
PRP: Verified
PRP without proof (not generated)
2021-10-23ThomRuleyC-PRP
M11646857/69881143/10784989583 : 77EA7F99BCC257ED
PRP: Verified
PRP without proof (not generated)
2008-09-08Will EdgingtonF
Factor: 10784989583