1 775 927 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
12695048371194338305600111	26	83.4	2013-06-09 16:36:04

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	Shift
Verified (Factored)		Russ Nelson	94340CC0C434BA1C	0
Verified (Factored)	1998-12-21	Paul Victor Novarese	94340CC0C434BA1C	1498021

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-03	Oliver Kruse	D1380A268C275020	1	0	1	3
Verified	2017-11-04	kkmrkkblmbrbk	D1380A268C275020	1	1470320	1	3

History

Date	User	Type	Result
2017-11-04	kkmrkkblmbrbk	C-PRP	M1775927/12695048371194338305600111 : D1380A268C275020 PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1775927/12695048371194338305600111 : D1380A268C275020 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2013-06-09	Chang Chia-Tche	F-ECM	Factor: 12695048371194338305600111
2011-02-08	Carsten Kossendey	NF-PM1	B1=95000, B2=1615000, E=6
2010-12-13	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-19	Architects Cubed	NF	no factor from 2^60 to 2^61