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

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MnStatusDetails
52051217Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19963665563615035614860812580.72011-10-25 20:38:30
History
DateUserTypeResult
2011-10-25Jack The RipperF-PM1
Factor: 1996366556361503561486081
2010-03-28BARBBARITTANF
no factor from 2^68 to 2^69
2009-05-28tmorrowNF
no factor from 2^67 to 2^68
2008-12-11Sturle SundeNF
no factor from 2^66 to 2^67
2008-12-09Marc RiddersNF
no factor from 2^65 to 2^66
2008-12-07-Anonymous-NF
no factor from 2^64 to 2^65
2008-10-15DerekNF
no factor to 2^64