Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
105562447Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18069047364212410074847277212890.52021-04-06 20:27:41
P-1 factors
DateFactorB1B2
2021-04-06180690473642124100748472772177400023286000
History
DateUserTypeResult
2021-04-06TheJudgerF-PM1
Factor: 1806904736421241007484727721 / (P-1, B1=774000, B2=23286000, E=12)
2021-03-28TheJudgerNF
no factor from 2^75 to 2^76
2021-03-28TheJudgerNF
no factor from 2^74 to 2^75
2020-04-02SRBaseNF
no factor from 2^73 to 2^74
2019-12-24mnd9NF
no factor from 2^72 to 2^73
2019-01-27Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-10-17shaugeNF
no factor from 2^70 to 2^71
2014-06-18webbertNF
no factor from 2^69 to 2^70
2013-09-16g0bNF
no factor from 2^68 to 2^69
2013-09-12g0bNF
no factor from 2^67 to 2^68
2013-09-06CSLatDDNF
no factor from 2^66 to 2^67
2012-05-12sasaki3NF
no factor from 2^65 to 2^66
2010-09-01Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-20Torchwood InstituteNF
no factor from 2^63 to 2^64