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

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MnStatusDetails
98969173Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
191373072828540725524178283832994.02020-06-20 05:05:18
P-1 factors
DateFactorB1B2
2020-06-201913730728285407255241782838372000012960000
History
DateUserTypeResult
2020-06-20Smok_bmv F-PM1
Factor: 19137307282854072552417828383 / (P-1, B1=720000, B2=12960000, E=6)
2020-04-11SRBaseNF
no factor from 2^77 to 2^78
2020-02-12TheJudgerNF
no factor from 2^76 to 2^77
2020-01-29TheJudgerNF
no factor from 2^75 to 2^76
2020-01-25LaurVNF
no factor from 2^74 to 2^75
2019-11-25el groccoNF
no factor from 2^73 to 2^74
2019-03-18Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-02-19masserNF
no factor from 2^71 to 2^72
2014-04-24KlikNF
no factor from 2^70 to 2^71
2014-04-22HHfromGNF
no factor from 2^69 to 2^70
2014-04-22HHfromGNF
no factor from 2^68 to 2^69
2014-04-16Carsten KossendeyNF
no factor from 2^67 to 2^68
2013-08-01EratosthenesNF
no factor from 2^66 to 2^67
2013-07-27David CampeauNF
no factor from 2^65 to 2^66
2011-01-201997rj7NF
no factor from 2^64 to 2^65