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

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MnStatusDetails
11663303Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
23326607824.5old
1248631231289211546.82008-10-01 00:34:44
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-10-03LaurV401D82B1DE037EA52576123453
History
DateUserTypeResult
2025-06-12yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-06yuriy_5-1NF
no factor from 2^69 to 2^70
2025-03-31yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-11yuriy_5-1NF-PM1
B1=6997980, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4665320, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-03Ben DeloCERT
PRP Certification
Proof certified good
2021-10-03LaurVC-PRP
M11663303/23326607/124863123128921 : 401D82B1DE037EA5
PRP proof power = 8
PRP: Verified
Proof certified good
2008-10-01markrF
Factor: 124863123128921