5 018 863 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
5786082744723500245538354639	28	92.2	2021-10-16 22:28:01

ECM

Digits	B1	Curves
25	50000	53 / 280

Estimated T-Level: 20.9 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Baugh	896C6C4E890EFBB7	0
Verified (Factored)	2001-03-05	I-Gene Leong	896C6C4E890EFBB7	3992731

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-10-17	ATH	A74E9CDF6BE01C42	1	3856548	5	3

History

Date	User	Type	Result
2021-10-17	curtisc	CERT	PRP Certification Proof certified good
2021-10-17	ATH	C-PRP	M5018863/5786082744723500245538354639 : A74E9CDF6BE01C42 PRP proof power = 7 PRP: Verified Proof certified good
2021-10-16	ATH	F-PP1	Start=2/7, B1=2500000, B2=85000000, Factor: 5786082744723500245538354639
2018-08-29	mikr	NF-PM1	B1=3600000, B2=120000000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^63
2014-07-06	dbaugh	NF	no factor from 2^75 to 2^76
2013-10-08	dbaugh	NF	no factor from 2^74 to 2^75
2013-09-09	dbaugh	NF	no factor from 2^73 to 2^74
2013-05-12	Squeeky_Squirrel	NF-PM1	B1=160000, B2=3440000, E=6
2013-04-30	dbaugh	NF	no factor from 2^72 to 2^73
2013-02-23	dbaugh	NF	no factor from 2^71 to 2^72
2012-11-19	dbaugh	NF	no factor from 2^70 to 2^71
2012-10-10	James Heinrich	NF-PM1	B1=65000, B2=1235000, E=6
2012-09-21	dbaugh	NF	no factor from 2^69 to 2^70
2012-08-12	dbaugh	NF	no factor from 2^68 to 2^69
2012-08-06	-Anonymous-	NF	no factor from 2^67 to 2^68
2012-07-20	dbaugh	NF	no factor from 2^66 to 2^67
2012-07-14	dbaugh	NF	no factor from 2^65 to 2^66
2012-07-07	dbaugh	NF	no factor from 2^64 to 2^65
2012-06-27	dbaugh	NF	no factor from 2^63 to 2^64
2009-08-07	USAFSS	NF-PM1	B1=55000, B2=907500, E=6

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