1 803 089 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
2996733919	10	31.5	old
91563714608389425606007	23	76.3	2015-07-07 08:07:42
692432289569587180612463	24	79.2	2020-06-06 15:48:44

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-03	Oliver Kruse	315773980D70589E	2	0	1	3
Verified (Factored)	2017-11-05	kkmrkkblmbrbk	315773980D70589E	2	831334	1	3
Verified	2020-06-07	Klaus Nordmann	448D5EC547334A6D	3	914088	5	3
Verified	2020-06-07	atrench	448D5EC547334A6D	3	775950	5	3
Verified	2020-06-08	Luigi Morelli	448D5EC547334A6D	3	1318955	5	3

P-1 factors

Date	Factor	B1	B2
2015-07-07	91563714608389425606007	500000	15000000

History

Date	User	Type	Result
2020-06-08	Luigi Morelli	C-PRP	M1803089/2996733919/91563714608389425606007/692432289569587180612463 : 448D5EC547334A6D PRP: Verified PRP without proof (not generated)
2020-06-07	atrench	C-PRP	M1803089/2996733919/91563714608389425606007/692432289569587180612463 : 448D5EC547334A6D PRP: Verified PRP without proof (not generated)
2020-06-07	Klaus Nordmann	C-PRP	M1803089/2996733919/91563714608389425606007/692432289569587180612463 : 448D5EC547334A6D PRP: Verified PRP without proof (not generated)
2020-06-06	_p95holder_	F-ECM	Factor: 692432289569587180612463 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-05	kkmrkkblmbrbk	C-PRP	M1803089/2996733919/91563714608389425606007 : 315773980D70589E PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1803089/2996733919/91563714608389425606007 : 315773980D70589E PRP: Verified PRP without proof (not generated)
2015-07-07	alpertron	F-PM1	Factor: 91563714608389425606007 / (P-1, B1=500000, B2=15000000, E=12)