1 647 689 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
343910857014521343965809	24	78.2	2017-12-15 11:06:13

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 Brlej	BC66F96FD748C300	0
Verified (Factored)	1998-11-21	Roger Smith	BC66F96FD748C300	903559
Verified (Factored)	2015-07-19	MadPoo	BC66F96FD748C300	63152

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-12-22	BloodERazor	824EDED1A204DFB7	1	1042063	5	3
Verified	2017-12-30	trebor	824EDED1A204DFB7	1	661392	5	3

History

Date	User	Type	Result
2017-12-30	trebor	C-PRP	M1647689/343910857014521343965809 : 824EDED1A204DFB7 PRP: Verified PRP without proof (not generated)
2017-12-22	BloodERazor	C-PRP	M1647689/343910857014521343965809 : 824EDED1A204DFB7 PRP: Verified PRP without proof (not generated)
2017-12-15	bam	F-ECM	Factor: 343910857014521343965809 / (ECM curve 2, B1=50000, B2=5000000)
2017-10-27	TJAOI	NF	no factor from 2^66 to 2^67
2017-08-27	Joss	NF-PM1	B1=2000000, B2=20000000, E=12
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
2015-10-11	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-19	MadPoo	C-LL	BC66F96FD748C300
2015-05-07	monst	NF	no factor from 2^64 to 2^65
2015-05-06	omylist	NF	no factor from 2^63 to 2^64
2012-03-01	Axon	NF-PM1	B1=1000000, B2=20000000, E=12
2012-03-01	Axon	NF-PM1	B1=1000000, B2=8000000, E=12
2012-02-29	Axon	NF-PM1	B1=1000000
2012-02-29	Axon	NF-PM1	B1=900000
2012-02-29	Axon	NF-PM1	B1=800000
2012-02-29	Axon	NF-PM1	B1=700000
2012-02-29	Axon	NF-PM1	B1=600000
2012-02-29	Axon	NF-PM1	B1=500000
2012-02-29	Axon	NF-PM1	B1=400000
2012-02-29	Axon	NF-PM1	B1=300000
2012-02-29	Axon	NF-PM1	B1=200000
2012-02-29	Axon	NF-PM1	B1=100000
2010-08-03	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-30	Architects Cubed	NF	no factor from 2^60 to 2^61

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