2 299 919 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
1179075551687160814177	22	70.0	2020-06-21 17:59:29

ECM

Digits	B1	Curves
25	50000	67 / 280

Estimated T-Level: 21.2 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Andre Nouws	C6DCAA7E60ED6FD5	0
Verified (Factored)	2004-07-02	Jose Manuel Garcia	C6DCAA7E60ED6FD5	654636
Verified (Factored)	2018-04-30	kkmrkkblmbrbk	C6DCAA7E60ED6FD5	1122460

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-06-21	nordi	187AB767F5FD05F4	1	1104815	5	3
Verified	2020-06-24	arnaud	187AB767F5FD05F4	1	1720065	5	3

History

Date	User	Type	Result
2023-05-13	This -Anonymous-	NF-PM1	B1=800000, B2=40000000, E=12
2020-06-24	arnaud	C-PRP	M2299919/1179075551687160814177 : 187AB767F5FD05F4 PRP: Verified PRP without proof (not generated)
2020-06-21	nordi	C-PRP	M2299919/1179075551687160814177 : 187AB767F5FD05F4 PRP: Verified PRP without proof (not generated)
2020-06-21	GAN	F-ECM	Factor: 1179075551687160814177 / (ECM curve 1, B1=50000, B2=5000000, Sigma=1734180233424691)
2019-03-04	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-30	kkmrkkblmbrbk	C-LL	C6DCAA7E60ED6FD5
2017-05-27	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-11-04	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-12	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-12	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-12-06	Jerry Hallett	NF	no factor from 2^62 to 2^63
2013-12-03	c10ck3r	NF-PM1	B1=500000, B2=10000000, E=12
2012-05-12	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-18	Oscar Östlin	NF-PM1	B1=90000, B2=1755000, E=6
2010-10-20	Oscar Östlin	NF-PM1	B1=75011
2009-01-14	Sturle Sunde	NF	no factor from 2^60 to 2^61