1 643 641 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
138138706967597455730263	24	76.9	2012-02-25 07:11:06
149708581180482671400481	24	77.0	2019-10-28 14:12:27

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)		David Fred	05B13D53A4327B83	0
Verified (Factored)	1998-11-21	Jerry Alexander	05B13D53A4327B83	279696

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-02	Oliver Kruse	B638E04F5DB91317	1	0	1	3
Verified (Factored)	2017-11-02	kkmrkkblmbrbk	B638E04F5DB91317	1	1475066	1	3
Verified	2019-10-29	mnd9	67B4965211D98D44	2	1004002	5	3
Verified	2019-10-29	Igvan28	67B4965211D98D44	2	875531	5	3

History

Date	User	Type	Result
2019-10-29	Igvan28	C-PRP	M1643641/138138706967597455730263/149708581180482671400481 : 67B4965211D98D44 PRP: Verified PRP without proof (not generated)
2019-10-29	mnd9	C-PRP	M1643641/138138706967597455730263/149708581180482671400481 : 67B4965211D98D44 PRP: Verified PRP without proof (not generated)
2019-10-28	TJAOI	F-ECM	Factor: 149708581180482671400481 / (ECM curve 32, B1=50000, B2=5000000)
2017-11-02	kkmrkkblmbrbk	C-PRP	M1643641/138138706967597455730263 : B638E04F5DB91317 PRP: Verified PRP without proof (not generated)
2017-10-02	Oliver Kruse	C-PRP	M1643641/138138706967597455730263 : B638E04F5DB91317 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2012-02-25	Axon	F-ECM	Factor: 138138706967597455730263
2012-02-25	Axon	NF-PM1	B1=1000000, B2=40000000, E=12
2012-02-25	Axon	NF-PM1	B1=1000000, B2=32000000, E=12
2012-02-25	Axon	NF-PM1	B1=1000000, B2=24000000, E=6
2012-02-25	Axon	NF-PM1	B1=1000000, B2=8000000, E=12
2012-02-25	Axon	NF-PM1	B1=1000000
2012-02-25	Axon	NF-PM1	B1=900000
2012-02-25	Axon	NF-PM1	B1=800000
2012-02-25	Axon	NF-PM1	B1=700000
2012-02-25	Axon	NF-PM1	B1=600000
2012-02-25	Axon	NF-PM1	B1=500000
2012-02-25	Axon	NF-PM1	B1=400000
2012-02-25	Axon	NF-PM1	B1=300000
2012-02-25	Axon	NF-PM1	B1=200000
2012-02-25	Axon	NF-PM1	B1=100000
2010-07-30	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-05-01	Architects Cubed	NF	no factor from 2^60 to 2^61

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