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

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MnStatusDetails
11670221Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
11903625431030.1old
4278536423031238.62008-09-08 07:38:01
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-10-05LaurV0ADDE5326305A1732314851153
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_5-1F
Factors: 1190362543,427853642303 / TF: 68-69
2025-03-11yuriy_5-1NF-PM1
B1=7002132, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4668088, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-05LovinTenderTuCERT
PRP Certification
Proof certified good
2021-10-05LaurVC-PRP
M11670221/1190362543/427853642303 : 0ADDE5326305A173
PRP proof power = 8
PRP: Verified
Proof certified good
2008-09-08Will EdgingtonF
Factor: 427853642303