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

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MnStatusDetails
159225607Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
48953988953724416245372272.12018-05-21 03:20:33
History
DateUserTypeResult
2018-05-21Smok_bmv F
Factor: 4895398895372441624537 / TF: 72-73*
2018-05-18Yves de WandelaarNF
no factor from 2^71 to 2^72
2018-05-05proxy2222NF
no factor from 2^70 to 2^71
2018-04-21proxy2222NF
no factor from 2^69 to 2^70
2017-03-15rubikvn2100NF
no factor from 2^68 to 2^69
2016-05-17rubikvn2100NF
no factor from 2^67 to 2^68
2015-04-28tscNF
no factor from 2^66 to 2^67
2013-02-17sasaki3NF
no factor from 2^65 to 2^66
2011-02-05RichardNF
no factor from 2^64 to 2^65