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
77998279Factored
FactorDigitsBitsDate
1673698617438497670362226072787.12015-07-17 03:13:02
P-1 factors
DateFactorB1B2
2015-07-1716736986174384976703622260768000013600000
History
DateUserTypeResult
2022-06-27LordJuliusNF
no factor from 2^1 to 2^64
2015-07-17David HruskaF-PM1
Factor: 167369861743849767036222607 / (P-1, B1=680000, B2=13600000, E=12)
2015-06-23ChuckNF
no factor from 2^74 to 2^75
2015-06-18Jerry HallettNF
no factor from 2^73 to 2^74
2015-06-18Jerry HallettNF
no factor from 2^72 to 2^73
2015-06-18Jerry HallettNF
no factor from 2^71 to 2^72
2013-01-26SMoffatNF
no factor from 2^70 to 2^71
2011-04-05-Anonymous-NF
no factor from 2^69 to 2^70
2011-03-24-Anonymous-NF
no factor from 2^68 to 2^69
2011-03-17-Anonymous-NF
no factor from 2^67 to 2^68
2011-03-03rglarsonNF
no factor from 2^66 to 2^67
2010-10-27arnaudNF
no factor from 2^65 to 2^66
2010-10-21Beat BucheliNF
no factor from 2^64 to 2^65