599 143 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
4467989821912359739454656361	28	91.9	2021-10-13 19:21:01

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	232 / 640

Estimated T-Level: 26.8 ⓘ

TF below 2^84 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	2D49	0
Verified (Factored)		Glenn Leider	C481E4FCA5CFED49	0
Verified (Factored)		Klaus Kastens	C481E4FCA5CFED49	315753
Verified (Factored)	2015-04-11	MadPoo	C481E4FCA5CFED49	216605

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-10-13	SRJ2877	35FF14EECFAE77DE	1	158998	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2021-10-13	Poao	CERT	PRP Certification Proof certified good
2021-10-13	SRJ2877	C-PRP	M599143/4467989821912359739454656361 : 35FF14EECFAE77DE PRP proof power = 6 PRP: Verified Proof certified good
2021-10-13	mnd9	F-ECM	Factor: 4467989821912359739454656361 / (ECM curve 7, B1=250000, B2=25000000, Sigma=655685664060760)
2020-01-30	Yxinity	NF	no factor from 2^66 to 2^67
2018-06-06	chuenkit	NF	no factor from 2^65 to 2^66
2017-10-29	BloodERazor	NF	no factor from 2^64 to 2^65
2016-02-23	Mark Rose	NF	no factor from 2^60 to 2^61
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-11-19	Sid & Andy	NF-PM1	B1=5991430, B2=179742900, E=12
2015-09-21	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-09-21	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-07-13	NR	NF	no factor from 2^61 to 2^62
2015-04-11	MadPoo	C-LL	C481E4FCA5CFED49
2013-10-25	David Campeau	NF-PM1	B1=2100000, B2=71400000, E=12
2013-04-09	Le Comte	NF-PM1	B1=2000000
2012-07-21	Joss	NF-PM1	B1=1198286
2012-03-08	Joss	NF-PM1	B1=806852
2011-08-28	Joss	NF-PM1	B1=645481
2011-06-12	Joss	NF-PM1	B1=400000

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