1 489 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
71473	5	16.1	old
27201739919	11	34.7	old
51028917464688167	17	55.5	old
13822844053570368983	20	63.6	old
122163266112900081138309323835006063277267764895871	51	166.4	old
95909518295775374166321292697000685895150503357477127	53	176.0	2017-09-11 17:38:10
430768120877571983358263339450368443038134995818878229278591	60	198.1	2020-12-17 01:12:24

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	9C58F9BA4C7141CD	6	0	1	3
Verified (Factored)	2017-09-25	George Woltman	9C58F9BA4C7141CD	6	0	1	3
Verified (Factored)	2017-09-26	George Woltman	9C58F9BA4C7141CD	6	1033	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	CFCAE00D943B7065	6	1156	5	3
Verified (Factored)	2020-08-12	_p95holder_	CFCAE00D943B7065	6	18	5	3
Verified	2020-12-17	nordi	PRP_PRP_PRP_PRP_	7	90	1	3
Verified	2020-12-17	mikr	PRP_PRP_PRP_PRP_	7	906	1	3

History

Date	User	Type	Result
2020-12-17	mikr	P-PRP	M1489/71473/27201739919/51028917464688167/13822844053570368983/122163266112900081138309323835006063277267764895871/95909518295775374166321292697000685895150503357477127/430768120877571983358263339450368443038134995818878229278591 is a probable prime.
2020-12-17	nordi	P-PRP	M1489/430768120877571983358263339450368443038134995818878229278591/95909518295775374166321292697000685895150503357477127/122163266112900081138309323835006063277267764895871/71473/27201739919/51028917464688167/13822844053570368983 is a probable prime.
2020-12-17	nordi	F-ECM	Factor: 430768120877571983358263339450368443038134995818878229278591 / (ECM curve 4082, B1=1000000000, B2=19071176724616)
2020-08-12	_p95holder_	C-PRP	M1489/71473/27201739919/51028917464688167/13822844053570368983/122163266112900081138309323835006063277267764895871/95909518295775374166321292697000685895150503357477127 : CFCAE00D943B7065 PRP: Verified PRP without proof (small exponent)
2020-04-17	Oliver Kruse	C-PRP	M1489/71473/27201739919/51028917464688167/13822844053570368983/122163266112900081138309323835006063277267764895871/95909518295775374166321292697000685895150503357477127 : CFCAE00D943B7065 PRP: Verified PRP without proof (small exponent)
2017-09-26	George Woltman	C-PRP	M1489/71473/27201739919/51028917464688167/13822844053570368983/122163266112900081138309323835006063277267764895871/95909518295775374166321292697000685895150503357477127 : 9C58F9BA4C7141CD PRP: Verified PRP without proof (not generated)
2017-09-25	George Woltman	C-PRP	M1489/known_factors : 9C58F9BA4C7141CD PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M1489/71473/27201739919/51028917464688167/13822844053570368983/122163266112900081138309323835006063277267764895871/95909518295775374166321292697000685895150503357477127 : 9C58F9BA4C7141CD PRP: Verified PRP without proof (not generated)
2017-09-11	kkmrkkblmbrbk	F-ECM	Factor: 95909518295775374166321292697000685895150503357477127
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=1000000000, B2=100000000000, E=12