365 147 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
20112227982176310851889624110231	32	104.0	2019-04-06 12:06:15

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	605 / 640

Estimated T-Level: 29.7 ⓘ

TF below 2^94 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	4C1C	0
Verified (Factored)		Mike Gach	C7C8A38A99A3CC1C	0
Verified (Factored)		Klaus Kastens	C7C8A38A99A3CC1C	0
Verified (Factored)		Eivind Triel	C7C8A38A99A3CC1C	155593
Verified (Factored)	2016-06-01	MadPoo	C7C8A38A99A3CC1C	155062

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-04-07	J.R. Allen	C5384AFDAA6B9067	1	320735	5	3
Verified	2019-04-07	matzetoni	C5384AFDAA6B9067	1	172374	5	3
Verified	2019-04-08	kkmrkkblmbrbk	C5384AFDAA6B9067	1	8142	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2019-04-08	kkmrkkblmbrbk	C-PRP	M365147/20112227982176310851889624110231 : C5384AFDAA6B9067 PRP: Verified PRP without proof (small exponent)
2019-04-07	matzetoni	C-PRP	M365147/20112227982176310851889624110231 : C5384AFDAA6B9067 PRP: Verified PRP without proof (small exponent)
2019-04-07	J.R. Allen	C-PRP	M365147/20112227982176310851889624110231 : C5384AFDAA6B9067 PRP: Verified PRP without proof (small exponent)
2019-04-06	alex	F-ECM	Factor: 20112227982176310851889624110231 / (ECM curve 355, B1=250000, B2=25000000, Sigma=2594485698770042)
2018-02-22	Gordon Spence	NF	no factor from 2^64 to 2^65
2018-02-13	BloodERazor	NF	no factor from 2^64 to 2^65
2016-11-30	mikr	NF-PM1	B1=60000000, B2=3000000000, E=12
2016-06-01	MadPoo	C-LL	C7C8A38A99A3CC1C
2015-12-22	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-12-22	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-08-13	NR	NF	no factor from 2^61 to 2^62
2013-05-02	lycorn	NF	no factor from 2^60 to 2^61
2012-03-05	alpertron	NF-PM1	B1=10000000, B2=200000000, E=12
2011-08-14	Joss	NF-PM1	B1=1226688
2009-01-22	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-12-29	Sturle Sunde	NF	no factor from 2^58 to 2^59