2 693 917 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
13890918381645257	17	53.6	old
2494347501694394617949747181169	31	101.0	2019-06-21 11:42:04

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)	2017-10-19	Oliver Kruse	13FAF8D183C467E2	1	2672011	5	3
Verified (Factored)	2017-12-04	kkmrkkblmbrbk	13FAF8D183C467E2	1	1617975	5	3
Verified	2019-06-21	Niels_Mache_Nextcloud	13FAF8D183C467E2	2	1675332	5	3

P-1 factors

Date	Factor	B1	B2
2019-06-21	2494347501694394617949747181169	2000000	60000000

History

Date	User	Type	Result
2019-06-21	Niels_Mache_Nextcloud	C-PRP	M2693917/13890918381645257/2494347501694394617949747181169 : 13FAF8D183C467E2 PRP: Verified PRP without proof (not generated)
2019-06-21	alpertron	F-PM1	Factor: 2494347501694394617949747181169 / (P-1, B1=2000000, B2=60000000, E=12)
2017-12-04	kkmrkkblmbrbk	C-PRP	M2693917/13890918381645257 : 13FAF8D183C467E2 PRP: Verified PRP without proof (not generated)
2017-10-19	Oliver Kruse	C-PRP	M2693917/13890918381645257 : 13FAF8D183C467E2 PRP: Verified PRP without proof (not generated)