400 485 247 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
2199462145866240236711	22	70.9	2020-05-15 20:52:40

History

Date	User	Type	Result
2020-05-15	Conductor	F	Factor: 2199462145866240236711 / TF: 70-71
2018-07-03	sasaki	NF	no factor from 2^69 to 2^70
2017-09-15	BenGees	NF	no factor from 2^68 to 2^69
2013-10-24	The Mawn	NF	no factor from 2^66 to 2^68
2013-08-05	The Mawn	NF	no factor from 2^65 to 2^66

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