1 892 497 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
798632752404542822388632039	27	89.4	2014-07-04 18:18:21

ECM

Digits	B1	Curves
25	50000	276 / 280

Estimated T-Level: 24.9 ⓘ

TF below 2^78 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Hal Murray	982B1DAE4DC04B4E	0
Verified (Factored)	1999-03-15	Dieter Schmitt	982B1DAE4DC04B4E	807399

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-04	Oliver Kruse	DE195204E13E5745	1	0	1	3
Verified	2017-11-08	kkmrkkblmbrbk	DE195204E13E5745	1	1637994	1	3

History

Date	User	Type	Result
2023-08-15	Kevin_9611	NF-PM1	B1=330000, B2=581068950
2017-11-08	kkmrkkblmbrbk	C-PRP	M1892497/798632752404542822388632039 : DE195204E13E5745 PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1892497/798632752404542822388632039 : DE195204E13E5745 PRP: Verified PRP without proof (not generated)
2014-07-04	Chang Chia-Tche	F-ECM	Factor: 798632752404542822388632039 / (ECM curve 1, B1=50000, B2=5000000)
2012-01-20	markr	NF-PM1	B1=275000, B2=6000000, E=12
2011-03-08	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-11	Architects Cubed	NF	no factor from 2^60 to 2^61