2 497 109 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁰

TF target 2⁶³

TF below 2^73 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	8700000
B2 =	33668374740

ECM

Digits	B1	Curves
25	50000	188 / 280

Estimated T-Level: 23.4 ⓘ

Status	Date	User	Residue	Shift
Verified		Les	4F4678DAB575419D	0
Verified	1999-05-16	Kent Lee	4F4678DAB575419D	1272053
Verified	2018-06-01	kkmrkkblmbrbk	4F4678DAB575419D	2161137

History

Date	User	Type	Result
2024-03-08	TJAOI	NF	no factor from 2^69 to 2^70
2023-09-12	Sid & Andy	NF-PM1	B1=8700000, B2=33668374740
2023-06-04	Joss	NF-PM1	B1=1000000, B2=3093240150
2023-01-31	Joss	NF-PM1	B1=1000000, B2=600466230
2021-05-27	TJAOI	NF	no factor from 2^68 to 2^69
2019-03-18	TJAOI	NF	no factor from 2^67 to 2^68
2018-06-01	kkmrkkblmbrbk	C-LL	4F4678DAB575419D
2017-07-27	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-10-31	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-03	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-03	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-12-13	mikr	NF-PM1	B1=2382500, B2=85770100, E=12
2014-09-10	Joss	NF-PM1	B1=120703
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-06-11	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-25	Oscar Östlin	NF-PM1	B1=95000, B2=1971250, E=6
2010-12-22	Joss	NF-PM1	B1=20000
2009-01-11	Sturle Sunde	NF	no factor from 2^60 to 2^61