Marin Mersenne 2^P-1
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MnStatusDetails
11671267Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2672253292331238.0old
5116683452811238.92008-09-08 07:38:01
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-10-11krackerC9D72D1FE2A56C5B2210455553
Verified2021-10-12ATHC9D72D1FE2A56C5B21155809053
History
DateUserTypeResult
2025-06-16yuriy_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
2025-03-10yuriy_5-1NF-PM1
B1=7002756, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4668504, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-12curtiscCERT
PRP Certification
Proof certified good
2021-10-12ATHC-PRP
M11671267/267225329233/511668345281 : C9D72D1FE2A56C5B
PRP proof power = 8
PRP: Verified
Proof certified good
2021-10-11krackerC-PRP
M11671267/267225329233/511668345281 : C9D72D1FE2A56C5B
PRP: Verified
PRP without proof (not generated)
2008-09-08Will EdgingtonF
Factor: 511668345281