262 198 297 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
104081962291915608431	21	66.5	2015-12-21 20:10:30

History

Date	User	Type	Result
2015-12-21	Conductor	F	Factor: 104081962291915608431 / TF: 66-67
2014-05-23	tsc	NF	no factor from 2^65 to 2^66
2011-08-14	sasaki3	NF	no factor from 2^64 to 2^65
2010-03-17	garo	NF	no factor from 2^63 to 2^64
2010-03-17	garo	NF	no factor from 2^62 to 2^63

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