117 239 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

No factors below 2⁶⁸

TF target 2⁴⁴

TF below 2^147 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	10000000000
B2 =	488473391706300

ECM

Estimated T-Level: 45.9 ⓘ

Status	Date	User	Residue	Shift
Verified		Unknown	749D	0
Verified		Mike Gach	A7C9C26B0E3D749D	0
Verified		Brian J. Beesley	A7C9C26B0E3D749D	0
Verified		Eivind Triel	A7C9C26B0E3D749D	21017
Verified	2016-06-01	MadPoo	A7C9C26B0E3D749D	104856

History

Date	User	Type	Result
2023-09-03	masser	NF-PP1	Start=91/19, B1=50000000, B2=3950000000
2023-09-02	masser	NF-PP1	Start=6/5, B1=50000000, B2=3950000000
2023-06-28	Oliver Kruse	NF-PM1	B1=10000000000, B2=488473391706300
2023-02-17	Joss	NF-PM1	B1=1000000, B2=522803591310
2023-01-13	Joss	NF-PM1	B1=1000000, B2=173706132600
2022-05-05	404_factor_not_found	NF	no factor from 2^67 to 2^68
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2021-04-24	Oliver Kruse	NF-PP1	Start=2/7, B1=10000000, B2=4000000000
2020-02-04	Gordon Spence	NF	no factor from 2^66 to 2^67
2019-06-21	Yxinity	NF	no factor from 2^65 to 2^66
2018-05-15	chuenkit	NF	no factor from 2^64 to 2^65
2016-06-01	MadPoo	C-LL	A7C9C26B0E3D749D
2016-03-05	Gordon Spence	NF	no factor from 2^63 to 2^64
2016-03-05	Gordon Spence	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^57 to 2^58
2015-08-13	NR	NF	no factor from 2^61 to 2^62
2013-09-27	lycorn	NF	no factor from 2^60 to 2^61
2013-01-21	alpertron	NF-PM1	B1=100000000, B2=2000000000, E=12
2009-01-09	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-12-31	Sturle Sunde	NF	no factor from 2^58 to 2^59

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