2 236 189 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
49196159	8	25.6	old
7690602606962035457	19	62.7	2016-04-18 23:21:48

ECM

Digits	B1	Curves
25	50000	87 / 280

Estimated T-Level: 21.6 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-09	Oliver Kruse	6FE44FF740E3CF01	2	0	1	3
Verified	2017-11-20	kkmrkkblmbrbk	6FE44FF740E3CF01	2	1585451	1	3

P-1 factors

Date	Factor	B1	B2
2016-04-18	7690602606962035457	500000	15000000

History

Date	User	Type	Result
2021-06-30	Dylan Delgado	NF-PM1	B1=1000000, B2=106000000
2017-11-20	kkmrkkblmbrbk	C-PRP	M2236189/49196159/7690602606962035457 : 6FE44FF740E3CF01 PRP: Verified PRP without proof (not generated)
2017-10-09	Oliver Kruse	C-PRP	M2236189/49196159/7690602606962035457 : 6FE44FF740E3CF01 PRP: Verified PRP without proof (not generated)
2016-04-18	alpertron	F-PM1	Factor: 7690602606962035457 / (P-1, B1=500000, B2=15000000, E=12)