478 680 143 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
753473823977368758007	21	69.4	2017-12-18 16:00:15

History

Date	User	Type	Result
2017-12-18	ky0uraku	F	Factor: 753473823977368758007 / TF: 69-70
2017-12-04	ky0uraku	NF	no factor from 2^68 to 2^69
2016-06-14	sasaki	NF	no factor from 2^67 to 2^68
2016-04-10	monst	NF	no factor from 2^66 to 2^67
2014-10-10	vwflat4	NF	no factor from 2^65 to 2^66

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