2 365 243 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
574291998267539007231435534313	30	98.9	2015-09-09 03:42:33

ECM

Digits	B1	Curves
25	50000	70 / 280

Estimated T-Level: 21.3 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		John Lloyd	8B1B237CF99F844D	0
Verified (Factored)	1999-03-26	Kent Lee	8B1B237CF99F844D	1073057

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-12	Oliver Kruse	725CC840C1861988	1	195975	5	3
Verified	2017-11-24	Gordon Spence	725CC840C1861988	1	1493224	5	3

P-1 factors

Date	Factor	B1	B2
2015-09-09	574291998267539007231435534313	3000000	100000000

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2018-04-27	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-24	Gordon Spence	C-PRP	M2365243/574291998267539007231435534313 : 725CC840C1861988 PRP: Verified PRP without proof (not generated)
2017-10-12	Oliver Kruse	C-PRP	M2365243/574291998267539007231435534313 : 725CC840C1861988 PRP: Verified PRP without proof (not generated)
2015-09-09	mikr	F-PM1	Factor: 574291998267539007231435534313 / (P-1, B1=3000000, B2=100000000, E=12)
2015-03-09	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-09	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-10	Joss	NF-PM1	B1=127136
2013-12-04	Jerry Hallett	NF	no factor from 2^62 to 2^63
2012-05-30	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2010-12-30	markr	NF-PM1	B1=100000, B2=2025000, E=6
2010-11-03	Joss	NF-PM1	B1=20000
2009-01-14	Sturle Sunde	NF	no factor from 2^60 to 2^61