999 478 993 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
5996873959	10	32.5	2008-05-05 05:37:07
1205371665559	13	40.1	2012-05-01 07:09:55
1445536998511920319	19	60.3	2015-12-25 18:45:39
690272165672903817583	21	69.2	2024-08-27 04:58:22

History

Date	User	Type	Result
2025-04-24	yuriy5-1	F	Factors: 5996873959,1205371665559 / TF: 71-75
2025-03-11	mikr	NF	no factor from 2^70 to 2^71
2024-08-27	MooMoo2	F	Factor: 690272165672903817583 / TF: 69-70
2022-09-27	onlinegame	NF	no factor from 2^68 to 2^69
2022-04-07	James Heinrich	F	Factor: 1445536998511920319 / TF: 1-67
2022-04-07	James Heinrich	F	Factor: 1205371665559 / TF: 1-67
2022-04-07	James Heinrich	F	Factor: 5996873959 / TF: 1-67
2021-12-22	ViliamF	NF	no factor from 2^67 to 2^68
2015-12-25	Conductor	F	Factor: 1445536998511920319 / TF: 1-62
2012-05-01	nextPrime	F	Factor: 1205371665559