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

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MnStatusDetails
11202071Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
22404143824.4old
28901343191031.42008-09-08 07:27:32
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-06-09kutens1B911DA52AA0E38621078142453
History
DateUserTypeResult
2025-06-10vshNF
no factor from 2^71 to 2^72
2025-04-22vshNF-PM1
B1=10000000, B2=20021278200
2025-04-09vshNF
no factor from 2^70 to 2^71
2025-02-20vshNF
no factor from 2^69 to 2^70
2025-02-01James HeinrichNF
no factor from 2^68 to 2^69
2025-01-24vshNF
no factor from 2^68 to 2^69
2021-06-09curtiscCERT
PRP Certification
Proof certified good
2021-06-09kutensC-PRP
M11202071/22404143/2890134319 : 1B911DA52AA0E386
PRP proof power = 8
PRP: Verified
Proof certified good
2008-09-08Will EdgingtonF
Factor: 2890134319