8 025 341 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
1178300023087779386834033	25	80.0	2018-12-14 03:27:33

ECM

Digits	B1	Curves
25	50000	4 / 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	Shift
Verified (Factored)	1999-10-15	Gerhard H Wrodnigg	BA9A7C492F55ABBA	0
Verified (Factored)	2002-07-27	Ars Technica Team Prime Rib	BA9A7C492F55ABBA	7109834

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-12-16	Oliver Kruse	004BD1C6ED328379	1	5531566	5	3
Verified	2020-01-02	oodaira	004BD1C6ED328379	1	5758980	5	3

History

Date	User	Type	Result
2020-01-02	oodaira	C-PRP	M8025341/1178300023087779386834033 : 004BD1C6ED328379 PRP: Verified PRP without proof (not generated)
2018-12-16	Oliver Kruse	C-PRP	M8025341/1178300023087779386834033 : 004BD1C6ED328379 PRP: Verified PRP without proof (not generated)
2018-12-14	arnaud	F-ECM	Factor: 1178300023087779386834033 / (ECM curve 1, B1=50000, B2=5000000)
2017-09-08	Sid & Andy	NF	no factor from 2^67 to 2^68
2015-11-17	snme2pm1	NF	no factor from 2^66 to 2^67
2015-04-22	snme2pm1	NF	no factor from 2^65 to 2^66
2013-09-01	David Campeau	NF	no factor from 2^64 to 2^65
2013-08-24	David Campeau	NF	no factor from 2^63 to 2^64
2012-09-27	Nesowa	NF-PM1	B1=100000, B2=1950000, E=6