3 710 243 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
7744689571174090765903	22	72.7	2022-01-09 08:27:26

ECM

Digits	B1	Curves
25	50000	33 / 280

Estimated T-Level: 20.6 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-01-13	Ars Technica Team Prime Rib	CE43FCE52AB71ACD	0
Verified (Factored)	1999-11-10	Marcin Kowalczyk	CE43FCE52AB71ACD	3403148

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-01-15	kutens	9F214A0A1055DBDB	1	293142	5	3

History

Date	User	Type	Result
2022-05-25	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-04	Joss	NF-PM1	B1=90000
2022-01-15	CheshireJester	CERT	PRP Certification Proof certified good
2022-01-15	kutens	C-PRP	M3710243/7744689571174090765903 : 9F214A0A1055DBDB PRP proof power = 7 PRP: Verified Proof certified good
2022-01-09	daveward2005	F-ECM	Factor: 7744689571174090765903 / (ECM curve 7, B1=50000, B2=5000000, Sigma=1475207565412912)
2021-05-12	axn	NF-PM1	B1=14000000, B2=700000000
2021-03-05	axn	NF	no factor from 2^69 to 2^70
2020-12-13	axn	NF	no factor from 2^68 to 2^69
2019-02-13	Yxinity	NF	no factor from 2^67 to 2^68
2016-10-30	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	ramgeis	NF	no factor from 2^65 to 2^66
2015-01-20	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-20	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-12-11	Squeeky_Squirrel	NF-PM1	B1=245000, B2=7717500, E=12
2012-04-19	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-04-15	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-03-07	S485122	NF	no factor from 2^60 to 2^61