262 017 337 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
409034066840622785239	21	68.5	2018-06-23 14:26:59

History

Date	User	Type	Result
2025-03-10	James Heinrich	F	Factor: 409034066840622785239 / TF: 68-70
2018-06-23	Nick	F	Factor: 409034066840622785239 / TF: 68-69
2015-12-24	Andrew B	NF	no factor from 2^67 to 2^68
2015-12-17	Conductor	NF	no factor from 2^66 to 2^67
2013-11-20	sasaki3	NF	no factor from 2^65 to 2^66
2011-08-16	Richard	NF	no factor from 2^64 to 2^65
2010-03-15	linded	NF	no factor from 2^63 to 2^64
2010-03-15	linded	NF	no factor from 2^62 to 2^63