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
147544217Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
55565146655309046954492272.22017-06-08 06:55:09
History
DateUserTypeResult
2017-06-08d3zorgF
Factor: 5556514665530904695449 / TF: 72-73
2017-06-06d3zorgNF
no factor from 2^71 to 2^72
2017-06-05Choi4KANGNF
no factor from 2^70 to 2^71
2017-02-24mhskNF
no factor from 2^69 to 2^70
2017-02-08JoDuNF
no factor from 2^68 to 2^69
2015-03-09Andrew BNF
no factor from 2^67 to 2^68
2015-03-09aurashiftNF
no factor from 2^66 to 2^67
2013-01-05RichardNF
no factor from 2^65 to 2^66
2011-01-03Gordon SpenceNF
no factor from 2^64 to 2^65