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

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MnStatusDetails
111398857Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
66138969178000697221703370412892.42022-03-18 21:19:17
P-1 factors
DateFactorB1B2
2022-03-186613896917800069722170337041590000590000
History
DateUserTypeResult
2022-03-18ky0urakuF-PM1
Factor: 6613896917800069722170337041 / (P-1, B1=590000)
2020-12-14arpcarNF
no factor from 2^75 to 2^76
2020-11-23arpcarNF
no factor from 2^74 to 2^75
2020-09-05el groccoNF
no factor from 2^73 to 2^74
2020-04-20SRBaseNF
no factor from 2^72 to 2^73
2013-10-07processinfoNF
no factor from 2^71 to 2^72
2013-10-07processinfoNF
no factor from 2^70 to 2^71
2013-10-07processinfoNF
no factor from 2^69 to 2^70
2013-10-07processinfoNF
no factor from 2^68 to 2^69
2013-10-07processinfoNF
no factor from 2^66 to 2^68
2012-05-30RichardNF
no factor from 2^65 to 2^66
2010-09-22Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-03Jonathan A ZylstraNF
no factor from 2^63 to 2^64