3 600 221 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
3582970966509793547229311	25	81.6	2021-08-02 15:47:30

ECM

Digits	B1	Curves
25	50000	29 / 280

Estimated T-Level: 20.5 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Joseph Charrier	01A7B7A5E661B4B3	0
Verified (Factored)	1999-07-27	Robert Frostick	01A7B7A5E661B4B3	2629604

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-08-03	kutens	C00D1A538EE204C0	1	2694698	5	3

History

Date	User	Type	Result
2022-05-24	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-04	Joss	NF-PM1	B1=90000
2021-08-03	curtisc	CERT	PRP Certification Proof certified good
2021-08-03	kutens	C-PRP	M3600221/3582970966509793547229311 : C00D1A538EE204C0 PRP proof power = 7 PRP: Verified Proof certified good
2021-08-02	kutens	F-ECM	Factor: 3582970966509793547229311 / (ECM curve 7, B1=50000, B2=6750000, Sigma=5481615753350187)
2020-11-13	axn	NF	no factor from 2^69 to 2^70
2020-10-17	axn	NF	no factor from 2^68 to 2^69
2020-07-26	axn	NF-PM1	B1=30000000, B2=1000000000, E=12
2020-05-18	axn	NF-PM1	B1=30000000, B2=600000000, E=12
2019-02-13	Yxinity	NF	no factor from 2^67 to 2^68
2016-12-20	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-10-19	ramgeis	NF	no factor from 2^65 to 2^66
2015-01-18	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-18	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-06-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-11-20	markr	NF-PM1	B1=240000, B2=6120000, E=12
2011-06-15	markr	NF	no factor to 2^62
2009-07-03	Carsten Kossendey	NF-PM1	B1=20000, B2=245000
2009-03-13	S485122	NF	no factor from 2^60 to 2^61

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