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
147521411Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21168944899100785303212270.82016-12-10 01:41:19
History
DateUserTypeResult
2016-12-10Sergey NosovF
Factor: 2116894489910078530321 / TF: 68-72*
2016-03-19DerekNF
no factor from 2^67 to 2^68
2015-03-08aurashiftNF
no factor from 2^66 to 2^67
2013-01-05RichardNF
no factor from 2^65 to 2^66
2011-01-03sasaki3NF
no factor from 2^64 to 2^65