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
219254003Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2286789116989132119592167.62016-09-14 09:17:33
History
DateUserTypeResult
2016-09-14NickF
Factor: 228678911698913211959 / TF: 67-68
2015-10-15rob147147NF
no factor from 2^66 to 2^67
2013-08-19David CampeauNF
no factor from 2^65 to 2^66
2011-06-04RichardNF
no factor from 2^64 to 2^65