5 578 189 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
305618635361398323647	21	68.1	2015-07-21 22:29:49

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)	1999-12-01	Konstantin Nikoloff Karoff	67C69A6AF5E818CB	2710908
Verified (Factored)	2000-10-07	Ashton Vaz	67C69A6AF5E818CB	294252

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-12-08	Oliver Kruse	2A9627E75D5BE1A8	1	1079258	5	3
Verified	2018-04-04	kkmrkkblmbrbk	2A9627E75D5BE1A8	1	839562	5	3

History

Date	User	Type	Result
2018-04-04	kkmrkkblmbrbk	C-PRP	M5578189/305618635361398323647 : 2A9627E75D5BE1A8 PRP: Verified PRP without proof (not generated)
2017-12-08	Oliver Kruse	C-PRP	M5578189/305618635361398323647 : 2A9627E75D5BE1A8 PRP: Verified PRP without proof (not generated)
2015-07-21	Sid & Andy	F-ECM	Factor: 305618635361398323647
2014-12-21	monst	NF	no factor from 2^64 to 2^65
2014-12-20	Nesowa	NF	no factor from 2^63 to 2^64
2010-12-04	Squeeky_Squirrel	NF-PM1	B1=65000, B2=1023750, E=6
2009-04-20	GrunwalderGIMP	NF	no factor from 2^62 to 2^63