558 007 487 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
487789919289122080151	21	68.7	2017-08-07 22:17:07

History

Date	User	Type	Result
2025-03-07	James Heinrich	F	Factor: 487789919289122080151 / TF: 68-70
2017-08-07	Alex_soldier	F	Factor: 487789919289122080151 / TF: 68-69*
2016-12-05	sasaki	NF	no factor from 2^67 to 2^68
2015-12-01	sasaki	NF	no factor from 2^66 to 2^67
2014-09-26	sasaki	NF	no factor from 2^65 to 2^66
2012-01-06	Richard	NF	no factor from 2^64 to 2^65

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