2 675 203 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
363827609	9	28.4	old
385229233	9	28.5	2008-09-07 19:40:51
33846679183750382351	20	64.9	2018-02-15 14:18:54
1977825773537380184515049	25	80.7	2019-05-19 20:14:31

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)	2017-10-18	Oliver Kruse	6C350191A13439B4	2	2384191	5	3
Verified (Factored)	2017-12-03	kkmrkkblmbrbk	6C350191A13439B4	2	197861	5	3
Verified (Factored)	2018-02-17	Netanias	6C350191A13439B4	3	2247184	5	3
Verified (Factored)	2018-02-17	AdolfNor	6C350191A13439B4	3	92431	5	3
Verified	2019-05-24	vnatin	6C350191A13439B4	4	539706	5	3

P-1 factors

Date	Factor	B1	B2
2019-05-19	1977825773537380184515049	2000000	60000000

History

Date	User	Type	Result
2019-05-24	vnatin	C-PRP	M2675203/363827609/385229233/33846679183750382351/1977825773537380184515049 : 6C350191A13439B4 PRP: Verified PRP without proof (not generated)
2019-05-19	alpertron	F-PM1	Factor: 1977825773537380184515049 / (P-1, B1=2000000, B2=60000000, E=12)
2018-02-17	AdolfNor	C-PRP	M2675203/363827609/385229233/33846679183750382351 : 6C350191A13439B4 PRP: Verified PRP without proof (not generated)
2018-02-17	Netanias	C-PRP	M2675203/363827609/385229233/33846679183750382351 : 6C350191A13439B4 PRP: Verified PRP without proof (not generated)
2018-02-15	TJAOI	F	Factor: 33846679183750382351 / TF: 64-65
2017-12-03	kkmrkkblmbrbk	C-PRP	M2675203/363827609/385229233 : 6C350191A13439B4 PRP: Verified PRP without proof (not generated)
2017-10-18	Oliver Kruse	C-PRP	M2675203/363827609/385229233 : 6C350191A13439B4 PRP: Verified PRP without proof (not generated)
2008-09-07	Will Edgington	F	Factor: 385229233