3 440 893 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
173455091566748111001595783	27	87.2	2021-08-05 01:15:01

ECM

Digits	B1	Curves
25	50000	42 / 280

Estimated T-Level: 20.8 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		John Lloyd	2E65DED928B54837	0
Verified (Factored)	1999-10-15	Mark S. Blanke	2E65DED928B54837	2900036

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-08-05	SRJ2877	1E9E881F58469131	1	1430518	5	3

History

Date	User	Type	Result
2022-02-12	Joss	NF-PM1	B1=1000000, B2=114656850
2022-01-22	Joss	NF	no factor from 2^67 to 2^68
2021-08-05	curtisc	CERT	PRP Certification Proof certified good
2021-08-05	SRJ2877	C-PRP	M3440893/173455091566748111001595783 : 1E9E881F58469131 PRP proof power = 7 PRP: Verified Proof certified good
2021-08-05	daveward2005	F-ECM	Factor: 173455091566748111001595783 / (ECM curve 6, B1=50000, B2=5000000, Sigma=4257578957162454)
2021-06-14	mikr	NF-PM1	B1=5000000, B2=200000000, E=12
2021-06-08	Numberwang	NF-PM1	B1=1000000, B2=30000000
2021-01-03	axn	NF	no factor from 2^68 to 2^69
2018-08-13	TJAOI	NF	no factor from 2^67 to 2^68
2017-02-05	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
2015-04-15	Gordon Spence	NF	no factor from 2^65 to 2^66
2015-02-24	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-24	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-18	HBendtz	NF-PM1	B1=500000, B2=10000000, E=12
2012-08-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-08-11	markr	NF	no factor to 2^62
2010-10-08	Rob_Dee	NF-PM1	B1=100000, B2=1000000
2010-10-08	Rob_Dee	NF-PM1	B1=100000, B2=900000
2010-10-07	Rob_Dee	NF-PM1	B1=100000, B2=800000
2010-10-07	Rob_Dee	NF-PM1	B1=100000, B2=700000
2010-10-06	Rob_Dee	NF-PM1	B1=100000, B2=600000
2010-10-06	Rob_Dee	NF-PM1	B1=100000, B2=500000
2010-10-05	Rob_Dee	NF-PM1	B1=100000, B2=400000
2010-10-05	Rob_Dee	NF-PM1	B1=100000, B2=300000
2010-10-04	Rob_Dee	NF-PM1	B1=100000, B2=200000
2010-10-04	Rob_Dee	NF-PM1	B1=90000, B2=100000
2010-10-03	Rob_Dee	NF-PM1	B1=80000, B2=90000
2010-10-02	Rob_Dee	NF-PM1	B1=70000, B2=80000
2010-10-01	Rob_Dee	NF-PM1	B1=60000, B2=70000
2010-09-30	Rob_Dee	NF-PM1	B1=50000, B2=60000
2010-09-29	Rob_Dee	NF-PM1	B1=40000, B2=50000
2010-09-29	Rob_Dee	NF-PM1	B1=30000, B2=40000
2010-09-28	Rob_Dee	NF-PM1	B1=10000, B2=20000
2009-03-23	S485122	NF	no factor from 2^60 to 2^61

Username
Password