4 979 903 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
36721057736551	14	45.1	old
39291499328074531207	20	65.1	2018-05-30 12:21:42

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	5378A3AA6DDDF16E	1	0	1	3
Verified (Factored)	2018-04-23	Oliver Kruse	5378A3AA6DDDF16E	1	1652944	1	3
Verified	2018-07-05	Hazar Temizel	D62FA370979B7CB8	2	4622401	5	3
Verified	2018-07-06	Martin Russell	D62FA370979B7CB8	2	365712	5	3

History

Date	User	Type	Result
2023-12-08	USAFSS	NF-PM1	B1=256000, B2=105522060
2018-07-06	Martin Russell	C-PRP	M4979903/36721057736551/39291499328074531207 : D62FA370979B7CB8 PRP: Verified PRP without proof (not generated)
2018-07-05	Hazar Temizel	C-PRP	M4979903/36721057736551/39291499328074531207 : D62FA370979B7CB8 PRP: Verified PRP without proof (not generated)
2018-05-30	TJAOI	F	Factor: 39291499328074531207 / TF: 65-66
2018-04-23	Oliver Kruse	C-PRP	M4979903/36721057736551 : 5378A3AA6DDDF16E PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4979903/36721057736551 : 5378A3AA6DDDF16E PRP: Verified PRP without proof (not generated)