Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
918896821Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1721632672984600336972167.22016-09-27 07:37:39
History
DateUserTypeResult
2016-09-27Alex_soldierF
Factor: 172163267298460033697 / TF: 67-68*
2015-10-13Alex_soldierNF
no factor from 2^66 to 2^67
2013-05-06ramgeisNF
no factor from 2^65 to 2^66
2011-09-14lindedNF
no factor from 2^64 to 2^65
2010-07-20lindedNF
no factor from 2^63 to 2^64