2 110 753 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2804457756856360535687	22	71.2	2020-10-09 07:14:39

ECM

Digits	B1	Curves
25	50000	127 / 280

Estimated T-Level: 22.3 ⓘ

TF below 2^69 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Kees Wapenaar	A87C8C245E60F3ED	0
Verified (Factored)	1999-01-29	Kevin Harlan	A87C8C245E60F3ED	746342
Verified (Factored)	2018-04-03	kkmrkkblmbrbk	A87C8C245E60F3ED	546036

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-10-09	M Miller	F1643A0C232C2CF6	1	88036	5	3

History

Date	User	Type	Result
2020-10-09	Ben Delo	CERT	PRP Certification Proof certified good
2020-10-09	M Miller	C-PRP	M2110753/2804457756856360535687 : F1643A0C232C2CF6 PRP proof power = 7 PRP: Verified Proof certified good
2020-10-09	mnd9	F-ECM	Factor: 2804457756856360535687 / (ECM curve 1, B1=50000, B2=5000000, Sigma=1132850052815179)
2019-05-13	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-03	kkmrkkblmbrbk	C-LL	A87C8C245E60F3ED
2017-07-22	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2017-06-09	Joss	NF-PM1	B1=447216, B2=4472160, E=6
2017-05-30	Joss	NF-PM1	B1=372680, B2=3726800, E=6
2016-11-08	Joss	NF-PM1	B1=223608
2016-10-05	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-18	Joss	NF-PM1	B1=186340, B2=6020000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-12-27	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-15	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-15	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-09-05	ramgeis	NF	no factor from 2^62 to 2^63
2012-03-30	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-25	James Heinrich	NF-PM1	B1=140000, B2=3010000, E=6
2011-01-10	Joss	NF-PM1	B1=50000
2010-12-30	Joss	NF-PM1	B1=30000
2009-08-02	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61

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