1 783 261 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
5493501031901936260553	22	72.2	2020-05-11 18:11:17

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)		Goran Adevik	90EC4DEC2774E069	0
Verified (Factored)		Martin Schnettker	90EC4DEC2774E069	0
Verified (Factored)	2015-07-18	MadPoo	90EC4DEC2774E069	701489

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-05-12	Kirill Frolov	2AB539F38EF20087	1	1084722	5	3
Verified	2020-05-13	Luigi Morelli	2AB539F38EF20087	1	1683529	5	3

History

Date	User	Type	Result
2020-05-13	Luigi Morelli	C-PRP	M1783261/5493501031901936260553 : 2AB539F38EF20087 PRP: Verified PRP without proof (not generated)
2020-05-12	Kirill Frolov	C-PRP	M1783261/5493501031901936260553 : 2AB539F38EF20087 PRP: Verified PRP without proof (not generated)
2020-05-11	nordi	F-ECM	Factor: 5493501031901936260553 / (ECM curve 3, B1=50000, B2=5000000, Sigma=7169118833048946)
2019-08-06	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-19	Joss	NF-PM1	B1=1783261, B2=196158710, E=12
2018-07-02	Joss	NF-PM1	B1=1783261, B2=178326100, E=12
2018-01-22	TJAOI	NF	no factor from 2^66 to 2^67
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
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-09-12	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-18	MadPoo	C-LL	90EC4DEC2774E069
2015-06-01	mikr	NF-PM1	B1=2475400, B2=86660000, E=12
2015-05-14	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-14	snme2pm1	NF	no factor from 2^63 to 2^64
2014-09-19	Joss	NF-PM1	B1=171986
2014-05-09	Joss	NF-PM1	B1=135993
2014-04-10	-Anonymous-	NF-PM1	B1=100000
2011-02-07	Carsten Kossendey	NF-PM1	B1=95000, B2=1615000, E=6
2010-10-16	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-21	Architects Cubed	NF	no factor from 2^60 to 2^61

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