367 957 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁶⁸

TF target 2⁴⁴

TF below 2^101 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	77000000
B2 =	2222637957540

ECM

Estimated T-Level: 31.9 ⓘ

Status	Date	User	Residue	Shift
Verified		David Slowinski	176E	0
Verified		Michael J. Kilfoyle	95FBA8CEC435976E	0
Verified		Klaus Kastens	95FBA8CEC435976E	0
Verified		Eivind Triel	95FBA8CEC435976E	24512
Verified	2016-06-01	MadPoo	95FBA8CEC435976E	330165

History

Date	User	Type	Result
2023-07-25	JacobZ	NF-PM1	B1=77000000, B2=2222637957540
2023-02-11	Joss	NF-PM1	B1=1000000, B2=41190499350
2023-02-05	Joss	NF-PM1	B1=1000000, B2=14290526250
2023-01-15	masser	NF-PP1	Start=6/5, B1=20000000, B2=620000000
2023-01-08	masser	NF-PP1	Start=192/23, B1=20000000, B2=620000000
2023-01-04	masser	NF-PP1	Start=2/7, B1=20000000, B2=640000000
2022-11-06	Gordon Spence	NF	no factor from 2^67 to 2^68
2022-09-21	LordJulius	NF	no factor from 2^66 to 2^67
2019-05-07	Gordon Spence	NF	no factor from 2^65 to 2^66
2018-02-22	Gordon Spence	NF	no factor from 2^64 to 2^65
2018-02-13	BloodERazor	NF	no factor from 2^64 to 2^65
2016-12-07	mikr	NF-PM1	B1=60000000, B2=3000000000, E=12
2016-06-01	MadPoo	C-LL	95FBA8CEC435976E
2015-12-24	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-12-24	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-08-13	NR	NF	no factor from 2^61 to 2^62
2013-05-01	lycorn	NF	no factor from 2^60 to 2^61
2012-03-13	alpertron	NF-PM1	B1=10000000, B2=200000000, E=12
2012-03-05	Joss	NF-PM1	B1=1518194
2011-08-17	Joss	NF-PM1	B1=1214555
2009-01-23	Sturle Sunde	NF	no factor from 2^59 to 2^60
2009-01-05	Sturle Sunde	NF	no factor from 2^58 to 2^59

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