3 042 719 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
45420080094517616577359	23	75.3	2021-02-15 11:15:54

ECM

Digits	B1	Curves
25	50000	57 / 280

Estimated T-Level: 21.0 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Timo Aaltonen and friends	0DC76F43A60CD16D	0
Verified (Factored)	1999-05-16	Jan Slowak	0DC76F43A60CD16D	2161234

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-02-17	LaurV	35DE12C05029D1D1	1	684531	5	3

History

Date	User	Type	Result
2022-02-13	Joss	NF-PM1	B1=1000000, B2=119912100
2022-01-26	Joss	NF-PM1	B1=1000000
2022-01-20	Joss	NF	no factor from 2^67 to 2^68
2021-02-17	AnthonyRais	CERT	PRP Certification Proof certified good
2021-02-17	LaurV	C-PRP	M3042719/45420080094517616577359 : 35DE12C05029D1D1 PRP proof power = 7 PRP: Verified Proof certified good
2021-02-15	MarkS	F-ECM	Factor: 45420080094517616577359 / (ECM curve 14, B1=50000, B2=5000000, Sigma=6275992785403133)
2021-01-12	oodaira	NF-PM1	B1=32566261, B2=1856276877, E=12
2018-07-22	ramgeis	NF	no factor from 2^67 to 2^68
2017-08-20	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2017-05-04	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-03-04	Squeeky_Squirrel	NF-PM1	B1=195000, B2=5313750, E=6
2015-06-03	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
2010-11-01	Sid & Andy	NF	no factor from 2^61 to 2^62
2010-10-07	markr	NF-PM1	B1=110000, B2=2420000, E=6
2009-02-12	Sturle Sunde	NF	no factor from 2^60 to 2^61