3 046 753 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
204580480193674568341481	24	77.4	2016-01-29 17:34:40

ECM

Digits	B1	Curves
25	50000	12 / 280

Estimated T-Level: 20.2 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Andrew Booker	7FE38EA9BF1162D5	0
Verified (Factored)	1999-06-26	Guillermo Ballester Valor	7FE38EA9BF1162D5	2631492

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-28	Oliver Kruse	2E35C78FEAC35DF7	1	800338	5	3
Verified	2017-12-10	kkmrkkblmbrbk	2E35C78FEAC35DF7	1	2314753	5	3

History

Date	User	Type	Result
2022-09-07	Joss	NF-PM1	B1=1054674, B2=226749600
2022-03-12	LordJulius	NF	no factor from 2^66 to 2^67
2022-01-23	Joss	NF-PM1	B1=1054674, B2=119912100
2021-05-07	Joss	NF	no factor from 2^67 to 2^68
2021-01-15	Joss	NF-PM1	B1=304675, B2=3046753, E=6
2017-12-10	kkmrkkblmbrbk	C-PRP	M3046753/204580480193674568341481 : 2E35C78FEAC35DF7 PRP: Verified PRP without proof (not generated)
2017-10-28	Oliver Kruse	C-PRP	M3046753/204580480193674568341481 : 2E35C78FEAC35DF7 PRP: Verified PRP without proof (not generated)
2016-01-29	bam	F-ECM	Factor: 204580480193674568341481 / (ECM curve 3, B1=50000, B2=5000000)
2015-06-06	Tha	NF	no factor from 2^65 to 2^66
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-07	dbaugh	NF	no factor from 2^62 to 2^63
2010-11-09	Sid & Andy	NF	no factor from 2^61 to 2^62
2010-10-03	markr	NF-PM1	B1=110000, B2=2420000, E=6
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61