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
285086833Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1647623129308039405372167.22016-11-20 02:42:09
History
DateUserTypeResult
2016-11-20demfloroF
Factor: 164762312930803940537 / TF: 67-68
2016-01-25mikeblasNF
no factor from 2^66 to 2^67
2014-06-15tscNF
no factor from 2^65 to 2^66
2011-09-21OS1NF
no factor from 2^64 to 2^65
2010-04-11Torchwood InstituteNF
no factor from 2^63 to 2^64
2010-04-11Torchwood InstituteNF
no factor from 2^62 to 2^63