1 150 927 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
5819577457051932186961	22	72.3	2014-07-26 02:12:40

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 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)		David Slowinski	A82	0
Verified (Factored)		Morris Thompson	BEABD5179C4A8A82	0
Verified (Factored)	2001-06-23	Brian J. Beesley	BEABD5179C4A8A82	587887

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-29	Oliver Kruse	E12A58F4DC639D52	1	0	1	3
Verified	2017-10-17	Oliver Kruse	E12A58F4DC639D52	1	1137641	1	3
Verified	2018-01-02	ATH	E12A58F4DC639D52	1	829753	1	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^58 to 2^60
2018-01-02	ATH	C-PRP	M1150927/5819577457051932186961 : E12A58F4DC639D52 PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M1150927/5819577457051932186961 : E12A58F4DC639D52 PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1150927/5819577457051932186961 : E12A58F4DC639D52 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12
2014-07-26	Xyzzy	F-ECM	Factor: 5819577457051932186961 / (ECM curve 2, B1=50000, B2=5000000)
2012-10-07	dbaugh	NF	no factor from 2^62 to 2^63
2012-02-02	markr	NF-PM1	B1=500000, B2=10000000, E=12
2011-05-09	Xyzzy	NF	no factor from 2^61 to 2^62
2009-04-15	Sturle Sunde	NF	no factor from 2^60 to 2^61