574 099 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 2^93 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	70000000
B2 =	3515943120690

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	586 / 640

Estimated T-Level: 29.6 ⓘ

Status	Date	User	Residue	Shift
Verified		David Slowinski	F20	0
Verified		Charles F. Kerchner III	3E4558CE46DB8F20	0
Verified		Klaus Kastens	3E4558CE46DB8F20	197578
Verified	2015-04-11	MadPoo	3E4558CE46DB8F20	15287

History

Date	User	Type	Result
2023-11-02	linament	NF-PM1	B1=70000000, B2=3515943120690
2023-10-31	Joss	NF-PM1	B1=4970559, B2=19257638400
2023-09-17	masser	NF-PP1	Start=2/7, B1=10000000, B2=790000000
2023-06-16	Joss	NF-PM1	B1=1348198, B2=67085068050
2022-12-03	masser	NF-PP1	Start=6/5, B1=8000000, B2=400000000
2022-11-29	masser	NF-PP1	Start=113/37, B1=4000000, B2=168000000
2022-11-22	Joss	NF-PM1	B1=1348198, B2=10092332250
2022-04-12	Gordon Spence	NF	no factor from 2^67 to 2^68
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-03-06	Yxinity	NF	no factor from 2^66 to 2^67
2019-04-18	alex	NF-PM1	B1=10000000, B2=400000000, E=12
2018-06-04	chuenkit	NF	no factor from 2^65 to 2^66
2017-08-22	Conductor	NF	no factor from 2^64 to 2^65
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^60 to 2^61
2015-09-17	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-09-17	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-07-12	NR	NF	no factor from 2^61 to 2^62
2015-04-20	Sid & Andy	NF-PM1	B1=5740990, B2=172229700, E=12
2015-04-11	MadPoo	C-LL	3E4558CE46DB8F20
2013-09-28	David Campeau	NF-PM1	B1=1040000, B2=32240000, E=12
2012-03-05	Joss	NF-PM1	B1=852781
2011-08-24	Joss	NF-PM1	B1=682225
2011-07-01	Joss	NF-PM1	B1=409335

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