3 190 753 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
19299525881606395339727	23	74.0	2022-01-19 05:27:01

ECM

Digits	B1	Curves
25	50000	76 / 280

Estimated T-Level: 21.4 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Dax Prather	DF7BC101E8EA0573	0
Verified (Factored)	1998-08-30	Alastair Knox	DF7BC101E8EA0573	0
Verified (Factored)	1999-06-26	Michael Snyder	DF7BC101E8EA0573	1624886

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-01-25	kutens	C3EE9EC5AA1CB7EC	1	54149	5	3

History

Date	User	Type	Result
2022-09-12	Joss	NF-PM1	B1=1000000, B2=241175550
2022-02-27	Joss	NF-PM1	B1=1000000, B2=134343300
2022-01-25	yooper	CERT	PRP Certification Proof certified good
2022-01-25	kutens	C-PRP	M3190753/19299525881606395339727 : C3EE9EC5AA1CB7EC PRP proof power = 7 PRP: Verified Proof certified good
2022-01-19	daveward2005	F-ECM	Factor: 19299525881606395339727 / (ECM curve 3, B1=50000, B2=5000000, Sigma=3148961943800696)
2021-07-29	MadPoo	NF	no factor from 2^68 to 2^69
2019-10-29	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2018-12-24	TJAOI	NF	no factor from 2^67 to 2^68
2017-04-30	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-05-17	Joss	NF-PM1	B1=346029, B2=6228522, E=6
2015-12-06	Squeeky_Squirrel	NF-PM1	B1=155000, B2=3913750, E=6
2015-06-21	Tha	NF	no factor from 2^65 to 2^66
2015-02-15	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-15	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-11-01	Joss	NF-PM1	B1=105768
2014-08-21	Joss	NF-PM1	B1=85652
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-10-20	markr	NF	no factor from 2^61 to 2^62
2009-04-08	S485122	NF	no factor from 2^60 to 2^61