9 083 639 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
29859714993837633774924273590067175903	38	124.5	2021-04-16 12:28:19

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	2000-01-19	Anton Rebhan	386FB5E33F918406	0
Verified (Factored)	2003-02-27	Marc Getty / Phil Fizur	386FB5E33F918406	8051126

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-04-19	ThomRuley	18D2F3586FA552DB	1	1820512	1	3
Verified	2021-04-20	marssystems	18D2F3586FA552DB	1	2146276	1	3

P-1 factors

Date	Factor	B1	B2
2021-04-16	29859714993837633774924273590067175903	2000000	162000000

History

Date	User	Type	Result
2021-04-20	marssystems	C-PRP	M9083639/29859714993837633774924273590067175903 : 18D2F3586FA552DB PRP: Verified PRP without proof (not generated)
2021-04-19	ThomRuley	C-PRP	M9083639/29859714993837633774924273590067175903 : 18D2F3586FA552DB PRP: Verified PRP without proof (not generated)
2021-04-16	Tha	F-PM1	Factor: 29859714993837633774924273590067175903 / (P-1, B1=2000000, B2=162000000)
2019-11-22	TJAOI	NF	no factor from 2^68 to 2^69
2017-01-21	snme2pm1	NF	no factor from 2^67 to 2^68
2016-03-26	snme2pm1	NF	no factor from 2^66 to 2^67
2015-05-13	VictordeHollander	NF	no factor from 2^65 to 2^66
2013-09-14	Nesowa	NF	no factor from 2^64 to 2^65
2012-12-14	Nesowa	NF-PM1	B1=110000, B2=2007500, E=6
2009-07-01	Carsten Kossendey	NF-PM1	B1=50000, B2=762500, E=6