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

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MnStatusDetails
80039809Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
84532088872854141555468792582.82016-12-15 13:39:47
P-1 factors
DateFactorB1B2
2016-12-15845320888728541415554687967500013668750
History
DateUserTypeResult
2016-12-15Sergey NosovF-PM1
Factor: 8453208887285414155546879 / (P-1, B1=675000, B2=13668750, E=12)
2016-08-30dh1NF
no factor from 2^74 to 2^75
2016-08-30dh1NF
no factor from 2^73 to 2^74
2014-11-09NickOfTimeNF
no factor from 2^72 to 2^73
2014-10-31garoNF
no factor from 2^71 to 2^72
2010-12-28Tom DuellNF
no factor from 2^70 to 2^71
2010-12-28Tom DuellNF
no factor from 2^69 to 2^70
2010-12-28Tom DuellNF
no factor from 2^68 to 2^69
2010-12-28Tom DuellNF
no factor from 2^67 to 2^68
2010-12-15ITSNF
no factor from 2^66 to 2^67
2010-12-10kostenloses-GirokontoNF
no factor from 2^65 to 2^66
2010-11-30Architects CubedNF
no factor from 2^64 to 2^65