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

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MnStatusDetails
8054521Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
21102845031031.0old
69738500362381856871962.62016-09-07 11:17:56
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-07-20_p95holder_747B0DA73836C5072574196753
Verified2020-01-13Alvin Bunk747B0DA73836C5072637938053
History
DateUserTypeResult
2024-02-25Stef42NF-PM1
B1=937000, B2=1792472220
2020-01-13Alvin BunkC-PRP
M8054521/2110284503/6973850036238185687 : 747B0DA73836C507
PRP: Verified
PRP without proof (not generated)
2018-07-20_p95holder_C-PRP
M8054521/2110284503/6973850036238185687 : 747B0DA73836C507
PRP: Verified
PRP without proof (not generated)
2016-09-07TJAOIF
Factor: 6973850036238185687 / TF: 62-63