Marin Mersenne 2^P-1
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MnStatusDetails
11671937Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
633347023351606243512065.82014-12-20 11:11:23
LL
StatusDateUserResidueShift
Verified (Factored)2001-02-04Hgin normaalilyseoCFF5243B961F2256692348
Verified (Factored)2004-04-29Todd A. HayesCFF5243B961F22562507970
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-10-07ee33t15C60DC32F61CAEBB1763218153
History
DateUserTypeResult
2025-06-16yuriy_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_5-1NF
no factor from 2^68 to 2^69
2025-03-11yuriy_5-1NF-PM1
B1=7003158, B2=453435840
2024-08-22yuriy_5-1NF-PM1
B1=2800000, B2=6382864950
2021-10-07homes32CERT
PRP Certification
Proof certified good
2021-10-07ee33t1C-PRP
M11671937/63334702335160624351 : 5C60DC32F61CAEBB
PRP proof power = 8
PRP: Verified
Proof certified good
2014-12-20NesowaF
Factor: 63334702335160624351 / TF: 65-66
2013-11-02lycornNF
no factor from 2^64 to 2^65