556 005 221 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
325433719202425638169	21	68.1	2017-07-02 09:09:25

History

Date	User	Type	Result
2025-03-07	James Heinrich	F	Factor: 325433719202425638169 / TF: 68-70
2017-07-02	Alex_soldier	F	Factor: 325433719202425638169 / TF: 68-69*
2016-12-04	sasaki	NF	no factor from 2^67 to 2^68
2015-11-17	sasaki	NF	no factor from 2^66 to 2^67
2014-09-06	sasaki	NF	no factor from 2^65 to 2^66
2011-05-23	Architects Cubed	NF	no factor from 2^64 to 2^65

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