2 514 151 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
114489408239	12	36.7	old
918259444927012786049	21	69.6	2018-11-22 01:04:18

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 (Factored)	2017-10-14	Oliver Kruse	8C41DBCB486596F3	1	2085075	5	3
Verified (Factored)	2017-11-30	kkmrkkblmbrbk	8C41DBCB486596F3	1	1192147	5	3
Verified	2018-11-22	rucio	8C41DBCB486596F3	2	1134192	5	3

P-1 factors

Date	Factor	B1	B2
2018-11-22	918259444927012786049	2000000	60000000

History

Date	User	Type	Result
2018-11-22	rucio	C-PRP	M2514151/114489408239/918259444927012786049 : 8C41DBCB486596F3 PRP: Verified PRP without proof (not generated)
2018-11-22	alpertron	F-PM1	Factor: 918259444927012786049 / (P-1, B1=2000000, B2=60000000, E=12)
2017-11-30	kkmrkkblmbrbk	C-PRP	M2514151/114489408239 : 8C41DBCB486596F3 PRP: Verified PRP without proof (not generated)
2017-10-14	Oliver Kruse	C-PRP	M2514151/114489408239 : 8C41DBCB486596F3 PRP: Verified PRP without proof (not generated)