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

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MnStatusDetails
11670031Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
28209032333831341.4old
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-10-05LaurV4BC6E52F1F2F8F051404774753
History
DateUserTypeResult
2025-06-13yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-06yuriy_5-1NF
no factor from 2^69 to 2^70
2025-03-28yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-11yuriy_5-1NF-PM1
B1=7002018, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4668012, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-05KCCERT
PRP Certification
Proof certified good
2021-10-05LaurVC-PRP
M11670031/2820903233383 : 4BC6E52F1F2F8F05
PRP proof power = 8
PRP: Verified
Proof certified good