999 296 561 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
61956386783	11	35.9	2008-05-05 05:22:20
524326908370457	15	48.9	2012-09-17 12:38:39
2946598916323512809	19	61.4	2015-12-25 16:00:49
89796245104306675751	20	66.3	2020-01-08 11:37:25

History

Date	User	Type	Result
2023-06-03	mikr	NF	no factor from 2^69 to 2^73
2022-09-27	onlinegame	NF	no factor from 2^68 to 2^69
2022-07-15	ViliamF	F	Factor: 524326908370457 / TF: 1-68
2022-07-15	ViliamF	F	Factor: 2946598916323512809 / TF: 1-68
2022-07-15	ViliamF	F	Factor: 89796245104306675751 / TF: 1-68
2022-07-15	ViliamF	F	Factor: 61956386783 / TF: 1-68
2022-04-07	James Heinrich	F	Factor: 524326908370457 / TF: 1-66
2022-04-07	James Heinrich	F	Factor: 2946598916323512809 / TF: 1-66
2022-04-07	James Heinrich	F	Factor: 61956386783 / TF: 1-66
2021-12-21	ViliamF	NF	no factor from 2^67 to 2^68
2020-01-08	TJAOI	F	Factor: 89796245104306675751 / TF: 66-67
2015-12-25	Conductor	F	Factor: 2946598916323512809 / TF: 1-62
2012-09-17	TF to low limits	F	Factor: 524326908370457