1 723 027 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
42563869427280596889881	23	75.2	2020-04-13 10:22:22
2727262720466342841204407	25	81.2	2016-11-20 17:55:52

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		John R Pierce	695E872CA3CD0901	0
Verified (Factored)	1998-12-27	Ola Svallmark	695E872CA3CD0901	167708
Verified (Factored)	2015-07-03	MadPoo	695E872CA3CD0901	77922

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-03	Oliver Kruse	56CC8742C1B7B1A4	1	0	1	3
Verified (Factored)	2017-11-03	kkmrkkblmbrbk	56CC8742C1B7B1A4	1	1437349	1	3
Verified	2020-04-13	M Miller	DE0E0CAD925516CD	2	910793	5	3
Verified	2020-04-13	Igvan28	DE0E0CAD925516CD	2	1124424	5	3

History

Date	User	Type	Result
2020-04-13	Igvan28	C-PRP	M1723027/2727262720466342841204407/42563869427280596889881 : DE0E0CAD925516CD PRP: Verified PRP without proof (not generated)
2020-04-13	M Miller	C-PRP	M1723027/2727262720466342841204407/42563869427280596889881 : DE0E0CAD925516CD PRP: Verified PRP without proof (not generated)
2020-04-13	TJAOI	F-ECM	Factor: 42563869427280596889881 / (ECM curve 78, B1=50000, B2=5000000)
2017-11-03	kkmrkkblmbrbk	C-PRP	M1723027/2727262720466342841204407 : 56CC8742C1B7B1A4 PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1723027/2727262720466342841204407 : 56CC8742C1B7B1A4 PRP: Verified PRP without proof (not generated)
2016-11-20	bam	F-ECM	Factor: 2727262720466342841204407 / (ECM curve 1, B1=50000, B2=5000000)
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^57 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-09-02	ramgeis	NF	no factor from 2^65 to 2^66
2015-08-25	mikr	NF-PM1	B1=3642200, B2=123456789, E=12
2015-07-24	Joss	NF-PM1	B1=1561626
2015-07-21	Joss	NF-PM1	B1=1419660
2015-07-07	Joss	NF-PM1	B1=1290600
2015-07-03	MadPoo	C-LL	695E872CA3CD0901
2015-06-25	Joss	NF-PM1	B1=1173273
2015-06-08	Joss	NF-PM1	B1=1066612
2015-05-26	Joss	NF-PM1	B1=969648
2015-05-22	Joss	NF-PM1	B1=881499
2015-05-07	Joss	NF-PM1	B1=801363
2015-05-03	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-03	snme2pm1	NF	no factor from 2^63 to 2^64
2015-05-01	Joss	NF-PM1	B1=728512
2015-04-08	Joss	NF-PM1	B1=602077
2015-03-14	Joss	NF-PM1	B1=497585
2015-03-06	Joss	NF-PM1	B1=452350
2015-02-22	Joss	NF-PM1	B1=411228
2015-02-11	Joss	NF-PM1	B1=373844
2015-01-09	Joss	NF-PM1	B1=280876
2014-10-07	Joss	NF-PM1	B1=187251
2014-05-04	Joss	NF-PM1	B1=150000
2014-04-04	Joss	NF-PM1	B1=100000
2011-02-07	Carsten Kossendey	NF-PM1	B1=90000, B2=1507500, E=6
2010-10-27	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-24	Architects Cubed	NF	no factor from 2^60 to 2^61

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