5 445 953 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁶

Factored

Factor	Digits	Bits	Date
729757703	9	29.4	old
160923205846609	15	47.2	2014-02-27 11:42:36
3397727615695623113	19	61.6	2016-05-09 11:35:57

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-12-01	storm5510	EFBC020A83B23B45	3	1390602	5	3
Verified	PRP without proof (not generated)	2018-03-12	kkmrkkblmbrbk	EFBC020A83B23B45	3	4327182	5	3

History

Date	User	Type	Result
2025-04-28	Sid & Andy	NF-PM1	B1=3600000, B2=8759159640
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2018-03-12	kkmrkkblmbrbk	C-PRP	M5445953/729757703/160923205846609/3397727615695623113 : EFBC020A83B23B45
2017-12-01	storm5510	C-PRP	M5445953/729757703/160923205846609/3397727615695623113 : EFBC020A83B23B45
2016-05-09	TJAOI	F	Factor: 3397727615695623113
2014-02-27	TJAOI	F	Factor: 160923205846609