1 761 437 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2277456438811176167639	22	70.9	2020-01-11 16:35:18

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)		Ken Kriesel	4325D0B529284897	0
Verified (Factored)	1998-11-28	Jakob Trier	4325D0B529284897	129164
Verified (Factored)	2015-07-18	MadPoo	4325D0B529284897	240792

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-01-15	mnd9	916F972F3B8DBE76	1	400319	5	3
Verified	2020-01-17	Luigi Morelli	916F972F3B8DBE76	1	1034491	5	3

History

Date	User	Type	Result
2020-01-17	Luigi Morelli	C-PRP	M1761437/2277456438811176167639 : 916F972F3B8DBE76 PRP: Verified PRP without proof (not generated)
2020-01-15	mnd9	C-PRP	M1761437/2277456438811176167639 : 916F972F3B8DBE76 PRP: Verified PRP without proof (not generated)
2020-01-11	Keysarecool	F-ECM	Factor: 2277456438811176167639 / (ECM curve 3, B1=50000, B2=5000000, Sigma=3978396768513443)
2019-08-16	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-19	Joss	NF-PM1	B1=1761437, B2=193758070, E=12
2018-08-13	Joss	NF-PM1	B1=1761437, B2=176143700, E=12
2018-07-10	Joss	NF-PM1	B1=1761437, B2=88071850, E=12
2017-10-16	BenGees	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-09-07	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-18	MadPoo	C-LL	4325D0B529284897
2015-04-30	mikr	NF-PM1	B1=2475400, B2=86660000, E=12
2015-04-29	snme2pm1	NF	no factor from 2^64 to 2^65
2015-04-29	snme2pm1	NF	no factor from 2^63 to 2^64
2014-09-17	-Anonymous-	NF-PM1	B1=172878
2014-05-09	Joss	NF-PM1	B1=136439
2014-04-08	Joss	NF-PM1	B1=100000
2011-02-11	Carsten Kossendey	NF-PM1	B1=95000, B2=1567500, E=6
2010-12-13	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-19	Architects Cubed	NF	no factor from 2^60 to 2^61

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