4 203 889 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
14713736290193925372727	23	73.6	2023-01-27 00:41:55

ECM

Digits	B1	Curves
25	50000	26 / 280

Estimated T-Level: 20.5 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Frank Christiny	4E2939DA2F920DB4	0
Verified (Factored)	1999-12-08	Eugene Sung	4E2939DA2F920DB4	845000

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-02-02	TravisJank	8E06D339175656D6	1	1075716	5	3

History

Date	User	Type	Result
2023-02-02	Chun sung soo	CERT	PRP Certification Proof certified good
2023-02-02	TravisJank	C-PRP	M4203889/14713736290193925372727 : 8E06D339175656D6 PRP proof power = 7 PRP: Verified Proof certified good
2023-01-27	Sergey Nosov	F-ECM	Factor: 14713736290193925372727 / (ECM curve 7, B1=50000, B2=5000000)
2022-03-28	DRobinsonPE	NF-PM1	B1=6200000, B2=25071626580
2021-04-29	Dylan Delgado	NF-PM1	B1=2000000, B2=172000000
2021-01-25	-Anonymous-	NF	no factor from 2^71 to 2^72
2021-01-24	-Anonymous-	NF	no factor from 2^70 to 2^71
2021-01-23	-Anonymous-	NF	no factor from 2^69 to 2^70
2021-01-23	-Anonymous-	NF	no factor from 2^68 to 2^69
2018-12-15	Yxinity	NF	no factor from 2^67 to 2^68
2018-11-09	chuenkit	NF	no factor from 2^67 to 2^68
2017-12-27	Yxinity	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-06-07	snme2pm1	NF	no factor from 2^65 to 2^66
2014-01-04	Squeeky_Squirrel	NF-PM1	B1=145000, B2=3371250, E=6
2013-11-18	David Campeau	NF	no factor from 2^64 to 2^65
2013-11-05	Jayder	NF	no factor from 2^63 to 2^64
2012-01-19	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-12-04	Squeeky_Squirrel	NF-PM1	B1=75000, B2=1368750, E=6
2011-08-10	Squeeky_Squirrel	NF-PM1	B1=50000, B2=737500, E=6
2011-01-27	markr	NF	no factor from 2^61 to 2^62
2009-08-12	Carsten Kossendey	NF-PM1	B1=25000, B2=337500

Username
Password