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

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MnStatusDetails
905884181Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19450494632191297575372270.72017-10-27 20:11:51
History
DateUserTypeResult
2017-10-27ConductorF
Factor: 1945049463219129757537 / TF: 70-71
2016-06-19ConductorNF
no factor from 2^1 to 2^65
2016-04-22YxinityNF
no factor from 2^67 to 2^70
2015-04-14ramgeisNF
no factor from 2^66 to 2^67
2013-04-25ramgeisNF
no factor from 2^65 to 2^66
2011-10-31lindeeNF
no factor from 2^64 to 2^65
2010-07-09lindedNF
no factor from 2^63 to 2^64