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

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MnStatusDetails
11658593Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
2439880497041931547.8old
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-10-01mrh2CB6F7F6644A1C4D1206229753
History
DateUserTypeResult
2025-06-12yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-05yuriy_5-1NF
no factor from 2^69 to 2^70
2025-03-28yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-11yuriy_5-1NF-PM1
B1=6995154, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4663436, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-02ky0urakuCERT
PRP Certification
Proof certified good
2021-10-01mrhC-PRP
M11658593/243988049704193 : 2CB6F7F6644A1C4D
PRP proof power = 8
PRP: Verified
Proof certified good