Marin Mersenne 2^P-1
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MnStatusDetails
11620901Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
750245368571136.1old
2957054468471238.12008-09-08 07:36:51
645585442391831445.92008-09-08 07:36:51
218769657581906097954012374.22024-06-17 19:26:45
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2021-09-23Klaus Nordmann32494A0B2F0F7B8B31109832353
Verified2024-06-18yuriy_5-132494A0B2F0F7B8B4507592153
P-1 factors
DateFactorB1B2
2024-06-1721876965758190609795401262144137022600
History
DateUserTypeResult
2025-07-07yuriy_5-1NF
no factor from 2^71 to 2^72
2025-04-10yuriy_5-1NF
no factor from 2^70 to 2^71
2025-04-09yuriy_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=6972540, B2=448721460
2025-02-10yuriy_5-1NF-PM1
B1=4648360, B2=600169020
2024-06-18Joe S.CERT
PRP Certification
Proof certified good
2024-06-18yuriy_5-1C-PRP
M11620901/75024536857/295705446847/64558544239183/21876965758190609795401 : 32494A0B2F0F7B8B
PRP proof power = 8
PRP: Verified
Proof certified good
2024-06-17yuriy_5-1F-PM1
Factor: 21876965758190609795401 / (P-1, B1=262144, B2=137022600)
2021-09-23Ben DeloCERT
PRP Certification
Proof certified good
2021-09-23Klaus NordmannC-PRP
M11620901/75024536857/295705446847/64558544239183 : 32494A0B2F0F7B8B
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good
2008-09-08Will EdgingtonF
Factor: 64558544239183
2008-09-08Will EdgingtonF
Factor: 295705446847