5 291 939 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 4 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
10583879	8	23.3	old
13557947719	11	33.7	2008-09-08 01:31:02
1184686962513871	16	50.1	2014-05-20 11:21:27
58265642090634508417	20	65.7	2019-03-06 13:36:44

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	251398A794FEAA62	3	0	1	3
Verified (Factored)	2018-06-09	arnaud	251398A794FEAA62	3	1642799	1	3
Verified	2019-03-10	ANONYMOUS	E795306843813FCD	4	391981	5	3
Verified	2019-03-11	kkmrkkblmbrbk	E795306843813FCD	4	5150425	5	3

History

Date	User	Type	Result
2025-04-10	Sid & Andy	NF-PM1	B1=3700000, B2=9002485800
2025-04-01	Sid & Andy	NF	no factor from 2^68 to 2^70
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2022-06-22	LordJulius	NF	no factor from 2^66 to 2^67
2021-12-10	Denial140	NF	no factor from 2^67 to 2^68
2019-03-11	kkmrkkblmbrbk	C-PRP	M5291939/10583879/13557947719/1184686962513871/58265642090634508417 : E795306843813FCD PRP: Verified PRP without proof (not generated)
2019-03-10	ANONYMOUS	C-PRP	M5291939/10583879/13557947719/1184686962513871/58265642090634508417 : E795306843813FCD PRP: Verified PRP without proof (not generated)
2019-03-06	TJAOI	F	Factor: 58265642090634508417 / TF: 65-66
2018-06-09	arnaud	C-PRP	M5291939/10583879/13557947719/1184686962513871 : 251398A794FEAA62 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5291939/10583879/1184686962513871/13557947719 : 251398A794FEAA62 PRP: Verified PRP without proof (not generated)
2014-05-20	TJAOI	F	Factor: 1184686962513871
2008-09-08	Will Edgington	F	Factor: 13557947719