17 016 739 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with Lucas-Lehmer test

TF

No factors below 2⁷⁴

TF target 2⁶⁹

P-1

B1 =	3021377
B2 =	7729167600

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

Status	Date	User	Residue	Shift
Verified	2002-12-02	Jeff Sullivan	CE066932D3BA0735	2645254
Verified	2006-06-13	Paulien van Katwijk	CE066932D3BA0735	4596633

History

Date	User	Type	Result
2022-03-05	LaurV	NF-PM1	B1=3021377, B2=7729167600
2022-02-18	Jon Pace	NF	no factor from 2^73 to 2^74
2022-02-13	LaurV	NF-PM1	B1=3021377
2022-01-14	RichD0	NF	no factor from 2^72 to 2^73
2021-09-13	-Anonymous-	NF	no factor from 2^71 to 2^72
2021-09-09	SRBase	NF	no factor from 2^70 to 2^71
2019-12-12	masser	NF	no factor from 2^69 to 2^70
2017-10-21	ramgeis	NF	no factor from 2^68 to 2^69
2016-03-15	Mark Rose	NF	no factor from 2^65 to 2^66
2015-11-06	mikr	NF	no factor from 2^67 to 2^68
2014-09-15	Nesowa	NF	no factor from 2^66 to 2^67