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

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MnStatusDetails
11671747Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1743525566871237.3old
3795114322278826791858.42015-09-02 11:04:29
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-10-08_p95holder_81D3D7F5A5A924DF2144944253
Verified2021-10-10XZT81D3D7F5A5A924DF21132218953
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=7003044, B2=453435840
2024-08-22yuriy_5-1NF-PM1
B1=2800000, B2=6382864950
2021-10-10kkmrkkblmbrbkCERT
PRP Certification
Proof certified good
2021-10-10XZTC-PRP
M11671747/174352556687/379511432227882679 : 81D3D7F5A5A924DF
PRP proof power = 8
PRP: Verified
Proof certified good
2021-10-08_p95holder_C-PRP
M11671747/174352556687/379511432227882679 : 81D3D7F5A5A924DF
PRP: Verified
PRP without proof (not generated)
2015-09-02TJAOIF
Factor: 379511432227882679 / TF: 58-59