531 164 083 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
3164817702956889278527	22	71.4	2020-01-13 14:18:53

History

Date	User	Type	Result
2025-04-12	James Heinrich	F	Factor: 3164817702956889278527 / TF: 71-72
2020-01-13	Smok_bmv	F	Factor: 3164817702956889278527 / TF: 71-72*
2019-07-30	sasaki	NF	no factor from 2^70 to 2^71
2019-01-16	ATH	NF	no factor from 2^69 to 2^70
2017-07-19	sasaki	NF	no factor from 2^68 to 2^69
2016-09-23	sasaki	NF	no factor from 2^67 to 2^68
2016-03-03	sasaki	NF	no factor from 2^66 to 2^67
2014-11-03	sasaki3	NF	no factor from 2^65 to 2^66
2012-01-02	Richard	NF	no factor from 2^64 to 2^65
2010-07-09	Architects Cubed	NF	no factor from 2^63 to 2^64