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

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MnStatusDetails
11210201Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
239449893371134.5old
58491659213259677111962.32016-07-28 09:07:54
193053153027604429512064.12017-07-10 10:22:06
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-06-09/r/countingC833803692CFD97131104159553
History
DateUserTypeResult
2025-06-02vshNF
no factor from 2^71 to 2^72
2025-05-09vshNF-PM1
B1=10000000, B2=20021278200
2025-04-03vshNF
no factor from 2^70 to 2^71
2025-02-24vshNF
no factor from 2^69 to 2^70
2025-02-04James HeinrichNF
no factor from 2^68 to 2^69
2025-01-26vshNF
no factor from 2^68 to 2^69
2024-07-19vshNF-PM1
B1=625000, B2=301397460
2024-06-11vshNF-PM1
B1=312500, B2=130455780
2022-06-23LordJuliusNF
no factor from 2^63 to 2^64
2021-06-09ChuckCERT
PRP Certification
Proof certified good
2021-06-09/r/countingC-PRP
M11210201/23944989337/5849165921325967711/19305315302760442951 : C833803692CFD971
PRP proof power = 8
PRP: Verified
Proof certified good
2017-07-10TJAOIF
Factor: 19305315302760442951 / TF: 64-65
2016-07-28TJAOIF
Factor: 5849165921325967711 / TF: 62-63