Marin Mersenne 2^P-1
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MnStatusDetails
11619733Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
3057151752311238.2old
1203718542177447911856.72015-04-27 11:49:17
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-09-21RichD0DC576B3DD7CC62D721091743253
History
DateUserTypeResult
2025-06-10yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-05yuriy_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=6971838, B2=448721460
2025-02-10yuriy_5-1NF-PM1
B1=4647892, B2=600169020
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-09-21Simon JosefssonCERT
PRP Certification
Proof certified good
2021-09-21RichD0C-PRP
M11619733/305715175231/120371854217744791 : DC576B3DD7CC62D7
PRP proof power = 8
PRP: Verified
Proof certified good
2015-04-27TJAOIF
Factor: 120371854217744791 / TF: 56-57