333 107 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
120525380209521462077832961	27	86.6	2019-03-29 06:52:42

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	454 / 640

Estimated T-Level: 28.5 ⓘ

TF below 2^90 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	707D	0
Verified (Factored)		Unknown	707D	0
Verified (Factored)		Klaus Kastens	C9D29FA70BC0F07D	0
Verified (Factored)		Eivind Triel	C9D29FA70BC0F07D	130491
Verified (Factored)	2002-02-03	Dennis Pope	C9D29FA70BC0F07D	162807

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-03-29	ATH	AA4667C125EA7C6C	1	287601	5	3
Verified	2019-03-30	kkmrkkblmbrbk	AA4667C125EA7C6C	1	27781	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2019-03-30	kkmrkkblmbrbk	C-PRP	M333107/120525380209521462077832961 : AA4667C125EA7C6C PRP: Verified PRP without proof (small exponent)
2019-03-29	ATH	C-PRP	M333107/120525380209521462077832961 : AA4667C125EA7C6C PRP: Verified PRP without proof (small exponent)
2019-03-29	alex	F-ECM	Factor: 120525380209521462077832961 / (ECM curve 273, B1=250000, B2=25000000, Sigma=4563272368721773)
2018-01-27	Gordon Spence	NF	no factor from 2^64 to 2^65
2016-08-02	mikr	NF-PM1	B1=60000000, B2=3000000000, E=12
2015-12-10	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-12-10	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-07-23	NR	NF	no factor from 2^61 to 2^62
2013-04-16	Sid & Andy	NF	no factor from 2^60 to 2^61
2012-01-06	alpertron	NF-PM1	B1=10000000, B2=200000000, E=12
2011-08-09	Joss	NF-PM1	B1=1381808
2009-01-25	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-12-30	Sturle Sunde	NF	no factor from 2^58 to 2^59