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
99784627Factored
FactorDigitsBitsDate
4006926876056822542445772478.42020-08-19 03:51:31
P-1 factors
DateFactorB1B2
2020-08-194006926876056822542445777750000
History
DateUserTypeResult
2020-08-19ky0urakuF-PM1
Factor: 400692687605682254244577 / (P-1, B1=775000)
2020-08-18Jon PaceNF
no factor from 2^76 to 2^77
2020-04-29TheJudgerNF
no factor from 2^75 to 2^76
2020-04-16CADukeNF
no factor from 2^74 to 2^75
2019-12-23ixfd64NF
no factor from 2^73 to 2^74
2019-03-23Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2017-02-19monstNF
no factor from 2^71 to 2^72
2013-12-03MarekBNF
no factor from 2^70 to 2^71
2013-10-26SMoffatNF
no factor from 2^69 to 2^70
2013-08-25dwarvenNF
no factor from 2^68 to 2^69
2013-08-24dwarvenNF
no factor from 2^67 to 2^68
2013-08-17america64NF
no factor from 2^66 to 2^67
2012-08-07Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-11-101997rj7NF
no factor from 2^64 to 2^65