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
215645449Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1493963194375617194472167.02016-09-07 23:05:25
History
DateUserTypeResult
2016-09-07volovikF
Factor: 149396319437561719447 / TF: 67-68
2015-10-19vwflat4NF
no factor from 2^66 to 2^67
2012-07-08america64NF
no factor from 2^65 to 2^66
2011-05-27sasaki3NF
no factor from 2^64 to 2^65