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

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MnStatusDetails
11272973Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
228841351911134.4old
92943405084886491653.02014-09-02 11:26:30
5870715508634627050632169.02024-07-05 10:23:53
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2021-06-25xyuzyz0DF99436DF40D3142696430053
Verified (Factored)2021-06-27Chad Steenerson 0DF99436DF40D31421085476053
Verified2024-07-07vsh0DF99436DF40D3143593386053
P-1 factors
DateFactorB1B2
2024-07-05587071550863462705063312500130545870
History
DateUserTypeResult
2025-06-02vshNF
no factor from 2^71 to 2^72
2025-04-07vshNF-PM1
B1=10000000, B2=20228198760
2025-04-05vshNF
no factor from 2^70 to 2^71
2025-03-11vshNF
no factor from 2^69 to 2^70
2025-02-08vshF
Factor: 587071550863462705063 / TF: 68-69
2024-07-08George WoltmanCERT
PRP Certification
Proof certified good
2024-07-07vshC-PRP
M11272973/22884135191/9294340508488649/587071550863462705063 : 0DF99436DF40D314
PRP proof power = 8
PRP: Verified
Proof certified good
2024-07-05vshF-PM1
Factor: 587071550863462705063 / (P-1, B1=312500, B2=130545870)
2021-06-27ChuckCERT
PRP Certification
Proof certified good
2021-06-27Chad Steenerson C-PRP
M11272973/22884135191/9294340508488649 : 0DF99436DF40D314
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good
2021-06-25xyuzyzC-PRP
M11272973/22884135191/9294340508488649 : 0DF99436DF40D314
PRP: Verified (Factored)
PRP without proof (not generated)
2014-09-02TJAOIF
Factor: 9294340508488649