2 194 663 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
29658848633696857214881	23	74.7	2021-05-25 21:09:01

ECM

Digits	B1	Curves
25	50000	163 / 280

Estimated T-Level: 22.9 ⓘ

TF below 2^71 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Dario Bertoia	41B94ADAC05A9DB8	0
Verified (Factored)	1999-02-14	Michael Croon	41B94ADAC05A9DB8	1741097
Verified (Factored)	2018-04-15	kkmrkkblmbrbk	41B94ADAC05A9DB8	686949

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-05-26	tottenhoff	960E08951F536B9B	1	1882133	5	3

History

Date	User	Type	Result
2021-05-26	crutan	CERT	PRP Certification Proof certified good
2021-05-26	tottenhoff	C-PRP	M2194663/29658848633696857214881 : 960E08951F536B9B PRP proof power = 7 PRP: Verified Proof certified good
2021-05-25	kutens	F-ECM	Factor: 29658848633696857214881 / (ECM curve 4, B1=50000, B2=5150000, Sigma=7689097102509743)
2018-04-15	kkmrkkblmbrbk	C-LL	41B94ADAC05A9DB8
2017-12-16	Sid & Andy	NF-PM1	B1=6000000, B2=180000000, E=12
2017-04-04	Joss	NF-PM1	B1=331776, B2=3317760, E=6
2017-01-10	Joss	NF-PM1	B1=230400
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2013-02-23	dbaugh	NF	no factor from 2^72 to 2^73
2013-01-03	dbaugh	NF	no factor from 2^71 to 2^72
2012-12-16	Squeeky_Squirrel	NF-PM1	B1=160000, B2=4520000, E=6
2012-10-26	dbaugh	NF	no factor from 2^70 to 2^71
2012-08-15	dbaugh	NF	no factor from 2^69 to 2^70
2012-07-29	dbaugh	NF	no factor from 2^68 to 2^69
2012-07-23	dbaugh	NF	no factor from 2^67 to 2^68
2012-07-23	dbaugh	NF	no factor from 2^66 to 2^67
2012-07-18	dbaugh	NF	no factor from 2^65 to 2^66
2012-07-18	dbaugh	NF	no factor from 2^64 to 2^65
2012-07-16	dbaugh	NF	no factor from 2^63 to 2^64
2012-07-15	dbaugh	NF	no factor from 2^62 to 2^63
2011-01-11	markr	NF-PM1	B1=90000, B2=1620000, E=6
2010-11-09	Joss	NF-PM1	B1=30000
2010-11-05	Joss	NF-PM1	B1=15000
2009-01-08	Sturle Sunde	NF	no factor from 2^61 to 2^62
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61

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