260 335 171 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
55518751801522075247	20	65.6	2014-05-22 10:32:59

History

Date	User	Type	Result
2014-05-22	Nick	F	Factor: 55518751801522075247
2011-08-11	mm	NF	no factor from 2^64 to 2^65
2010-05-16	Architects Cubed	NF	no factor from 2^63 to 2^64
2010-04-10	monst	NF	no factor from 2^62 to 2^63

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