999 777 101 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: 4 known prime factors

Factored

Factor	Digits	Bits	Date
221950516423	12	37.7	2008-05-05 06:03:36
252063802704121	15	47.8	2012-09-16 17:05:49
2177107432738906417	19	60.9	2015-12-26 16:14:12
768408949969346373943	21	69.4	2024-08-25 21:29:42

History

Date	User	Type	Result
2025-04-24	yuriy5-1	NF	no factor from 2^71 to 2^75
2025-03-12	mikr	NF	no factor from 2^70 to 2^71
2024-08-25	MooMoo2	F	Factor: 768408949969346373943 / TF: 69-70
2022-07-21	onlinegame	NF	no factor from 2^68 to 2^69
2022-04-07	James Heinrich	F	Factor: 2177107432738906417 / TF: 1-67
2022-04-07	James Heinrich	F	Factor: 221950516423 / TF: 1-67
2022-04-07	James Heinrich	F	Factor: 252063802704121 / TF: 1-67
2021-12-22	ViliamF	NF	no factor from 2^67 to 2^68
2015-12-26	Conductor	F	Factor: 2177107432738906417 / TF: 1-62
2012-09-16	TF to low limits	F	Factor: 252063802704121