1 335 239 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
66761951	8	26.0	old
7140528553451271041461457	25	82.6	2018-06-08 13:20:42

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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)	2017-09-30	Oliver Kruse	7F68FFB71B3774E0	1	0	1	3
Verified (Factored)	2017-10-24	kkmrkkblmbrbk	7F68FFB71B3774E0	1	1034958	1	3
Verified	2018-06-10	Daniil Tsarkov	E6D7F09182707967	2	1130262	5	3
Verified	2018-06-10	Oliver Kruse	E6D7F09182707967	2	356392	5	3

History

Date	User	Type	Result
2018-06-10	Oliver Kruse	C-PRP	M1335239/66761951/7140528553451271041461457 : E6D7F09182707967 PRP: Verified PRP without proof (not generated)
2018-06-10	Daniil Tsarkov	C-PRP	M1335239/66761951/7140528553451271041461457 : E6D7F09182707967 PRP: Verified PRP without proof (not generated)
2018-06-08	TJAOI	F-ECM	Factor: 7140528553451271041461457 / (ECM curve 35, B1=50000, B2=5000000)
2017-10-24	kkmrkkblmbrbk	C-PRP	M1335239/66761951 : 7F68FFB71B3774E0 PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1335239/66761951 : 7F68FFB71B3774E0 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12