3 050 029 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
275018000125340375341577	24	77.9	2020-10-14 19:39:30

ECM

Digits	B1	Curves
25	50000	17 / 280

Estimated T-Level: 20.3 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		kimon berlin	5EBEC3E36B1BE9BD	0
Verified (Factored)	1999-05-23	Sam Robertson	5EBEC3E36B1BE9BD	2982903

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-10-14	ATH	6037A342D70A3283	1	1590863	5	3

History

Date	User	Type	Result
2022-09-07	Joss	NF-PM1	B1=1055002, B2=226749600
2022-01-23	Joss	NF-PM1	B1=1055002, B2=119912100
2021-01-16	Joss	NF-PM1	B1=305002, B2=3050029, E=6
2021-01-14	Joss	NF-PM1	B1=305002
2020-10-14	Steve Sybesma	CERT	PRP Certification Proof certified good
2020-10-14	ATH	C-PRP	M3050029/275018000125340375341577 : 6037A342D70A3283 PRP proof power = 7 PRP: Verified Proof certified good
2020-10-14	daveward2005	F-ECM	Factor: 275018000125340375341577 / (ECM curve 2, B1=50000, B2=5000000, Sigma=5926739090844722)
2018-07-25	ramgeis	NF	no factor from 2^67 to 2^68
2017-09-23	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2017-05-06	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-03-15	Squeeky_Squirrel	NF-PM1	B1=205000, B2=5688750, E=12
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
2011-03-17	Sid & Andy	NF	no factor from 2^61 to 2^62
2010-10-04	markr	NF-PM1	B1=110000, B2=2447500, E=6
2009-02-12	Sturle Sunde	NF	no factor from 2^60 to 2^61