2 444 347 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
735360388395435792329	21	69.3	2016-06-16 07:56:11
1019914353411867065157408383	28	89.7	2024-04-06 04:35:52

ECM

Digits	B1	Curves
25	50000	84 / 280

Estimated T-Level: 21.5 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Marc Honey	ACCDAE1BC22F7EFE	0
Verified (Factored)	1999-04-02	Carl Mikkelsen	ACCDAE1BC22F7EFE	1257585

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-13	Oliver Kruse	D7D2982FFF33B0C1	1	404730	5	3
Verified (Factored)	2017-11-28	kkmrkkblmbrbk	D7D2982FFF33B0C1	1	210609	5	3
Verified	2024-04-06	Anton Tsvetkov	D7D2982FFF33B0C1	2	2248628	5	3

History

Date	User	Type	Result
2024-04-06	S00030	CERT	PRP Certification Proof certified good
2024-04-06	Anton Tsvetkov	C-PRP	M2444347/735360388395435792329/1019914353411867065157408383 : D7D2982FFF33B0C1 PRP proof power = 7 PRP: Verified Proof certified good
2024-04-06	Anton Tsvetkov	F-ECM	Factor: 1019914353411867065157408383 / (ECM curve 6, B1=50000, B2=13718250, Edwards Sigma=4787194617427196)
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-28	kkmrkkblmbrbk	C-PRP	M2444347/735360388395435792329 : D7D2982FFF33B0C1 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2444347/735360388395435792329 : D7D2982FFF33B0C1 PRP: Verified (Factored) PRP without proof (not generated)
2016-06-16	bam	F-ECM	Factor: 735360388395435792329 / (ECM curve 3, B1=50000, B2=5000000)
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-10-25	ramgeis	NF	no factor from 2^65 to 2^66
2015-02-27	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-27	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-01-22	mikr	NF-PM1	B1=1172000, B2=48000000, E=12
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2011-10-03	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-18	Oscar Östlin	NF-PM1	B1=95000, B2=1947500, E=6
2010-11-17	Joss	NF-PM1	B1=20000
2009-01-15	Sturle Sunde	NF	no factor from 2^60 to 2^61