8 185 757 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
359472841089385113796023359	27	88.2	2019-10-30 16:05:08

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)	2000-02-09	Mark Langezaal	CA0B3D7178B40CC8	3401064
Verified (Factored)	2003-03-27	Piotr Marzec	CA0B3D7178B40CC8	6632149

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-11-01	trebor	8D2B224AA1F9ABFB	1	6644495	5	3
Verified	2020-03-01	oodaira	8D2B224AA1F9ABFB	1	2702379	5	3

History

Date	User	Type	Result
2020-03-01	oodaira	C-PRP	M8185757/359472841089385113796023359 : 8D2B224AA1F9ABFB PRP: Verified PRP without proof (not generated)
2019-11-01	trebor	C-PRP	M8185757/359472841089385113796023359 : 8D2B224AA1F9ABFB PRP: Verified PRP without proof (not generated)
2019-10-30	Corey	F-ECM	Factor: 359472841089385113796023359 / (ECM curve 1, B1=50000, B2=5000000)
2018-07-09	chuenkit	NF	no factor from 2^67 to 2^68
2015-12-07	snme2pm1	NF	no factor from 2^66 to 2^67
2015-05-28	snme2pm1	NF	no factor from 2^65 to 2^66
2014-01-02	David Campeau	NF	no factor from 2^64 to 2^65
2013-08-23	David Campeau	NF	no factor from 2^63 to 2^64
2012-09-30	James Heinrich	NF-PM1	B1=215000, B2=5428750, E=6