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
199687769Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5160516291251847831592168.82017-09-16 11:56:45
History
DateUserTypeResult
2024-03-03James HeinrichF
Factor: 516051629125184783159 / TF: 68-72
2017-09-16AlissonF
Factor: 516051629125184783159 / TF: 68-69
2016-06-24XZTNF
no factor from 2^67 to 2^68
2015-09-28RichardNF
no factor from 2^66 to 2^67
2013-08-14RMAC9.5NF
no factor from 2^65 to 2^66
2011-04-29impsNF
no factor from 2^64 to 2^65
2010-08-101997rj7NF
no factor from 2^63 to 2^64