329 999 503 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
821405691072983950561	21	69.5	2016-12-13 18:18:27

History

Date	User	Type	Result
2025-03-29	James Heinrich	F	Factor: 821405691072983950561 / TF: 69-70
2016-12-13	Alex_soldier	F	Factor: 821405691072983950561 / TF: 69-70*
2016-05-26	ericlegomeer	NF	no factor from 2^67 to 2^69
2016-04-04	dbaugh	NF	no factor from 2^66 to 2^67
2014-02-11	NR	NF	no factor from 2^65 to 2^66
2011-08-05	Rob_Dee	NF	no factor from 2^64 to 2^65

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