3 056 069 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
20723739655682960233679	23	74.1	2020-11-15 10:37:34

ECM

Digits	B1	Curves
25	50000	25 / 280

Estimated T-Level: 20.4 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Patrick Ryan	6A472DF70BCF4127	0
Verified (Factored)	1999-10-29	Dwight Leu	6A472DF70BCF4127	1298830

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-11-16	Joe S.	15D6CD5ACE2C1AAD	1	864481	5	3

History

Date	User	Type	Result
2022-08-13	Joss	NF-PM1	B1=3056069, B2=3075259110
2020-11-16	Ben Delo	CERT	PRP Certification Proof certified good
2020-11-16	Joe S.	C-PRP	M3056069/20723739655682960233679 : 15D6CD5ACE2C1AAD PRP proof power = 7 PRP: Verified Proof certified good
2020-11-15	rextherunt	F-ECM	Factor: 20723739655682960233679 / (ECM curve 3, B1=50000, B2=5000000)
2018-07-28	ramgeis	NF	no factor from 2^67 to 2^68
2017-10-21	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2017-05-09	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-01-04	Joss	NF-PM1	B1=132000
2016-10-15	Squeeky_Squirrel	NF-PM1	B1=195000, B2=5362500, E=6
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
2011-03-27	Sid & Andy	NF	no factor from 2^61 to 2^62
2010-10-02	markr	NF-PM1	B1=110000, B2=2447500, E=6
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61