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
102080821Factored
FactorDigitsBitsDate
238020287220369389458019932684.32021-01-07 01:16:36
P-1 factors
DateFactorB1B2
2021-01-072380202872203693894580199385000017850000
History
DateUserTypeResult
2021-01-07Ben DeloF-PM1
Factor: 23802028722036938945801993 / (P-1, B1=850000, B2=17850000, E=12)
2020-10-10TheJudgerNF
no factor from 2^75 to 2^76
2020-10-10TheJudgerNF
no factor from 2^74 to 2^75
2020-04-01gcardonaNF
no factor from 2^73 to 2^74
2020-03-29SRBaseNF
no factor from 2^72 to 2^73
2017-10-16el groccoNF
no factor from 2^71 to 2^72
2015-01-14evatutinNF
no factor from 2^70 to 2^71
2015-01-10TJAOINF
no factor from 2^69 to 2^70
2015-01-08ssatenethNF
no factor from 2^68 to 2^69
2014-10-20mhskNF
no factor from 2^67 to 2^68
2014-10-20-Anonymous-NF
no factor from 2^67 to 2^68
2013-09-07processinfoNF
no factor from 2^66 to 2^67
2012-04-23RichardNF
no factor from 2^65 to 2^66
2010-08-16Mr-PlonkNF
no factor from 2^64 to 2^65
2010-05-021997rj7NF
no factor from 2^63 to 2^64