2 933 849 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

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

Factored

Factor	Digits	Bits	Date
1928112624525911	16	50.8	old
57451300851182023	17	55.7	2015-02-07 12:08:15
2001133775019733777	19	60.8	2016-03-07 12:19:57

ECM

Digits	B1	Curves
25	50000	58 / 280

Estimated T-Level: 21.0 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-25	Oliver Kruse	6B5765B84230859F	3	1464434	5	3
Verified	2017-12-09	kkmrkkblmbrbk	6B5765B84230859F	3	1298410	5	3

History

Date	User	Type	Result
2023-02-07	USAFSS	NF-PM1	B1=360000, B2=282695490
2017-12-09	kkmrkkblmbrbk	C-PRP	M2933849/1928112624525911/57451300851182023/2001133775019733777 : 6B5765B84230859F PRP: Verified PRP without proof (not generated)
2017-10-25	Oliver Kruse	C-PRP	M2933849/1928112624525911/57451300851182023/2001133775019733777 : 6B5765B84230859F PRP: Verified PRP without proof (not generated)
2016-03-07	TJAOI	F	Factor: 2001133775019733777 / TF: 60-61
2015-02-07	TJAOI	F	Factor: 57451300851182023 / TF: 55-56