1 630 253 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
442477735341668047549817	24	78.5	2016-07-31 23:44:49

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)		Robert Mitchell	970BCB53E1107A40	0
Verified (Factored)	1999-01-29	Kent Lee	970BCB53E1107A40	658683
Verified (Factored)	2015-06-27	MadPoo	970BCB53E1107A40	1329717

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-02	Oliver Kruse	B3422848AF76ED7E	1	0	1	3
Verified	2017-11-01	kkmrkkblmbrbk	B3422848AF76ED7E	1	267366	1	3

History

Date	User	Type	Result
2017-11-01	kkmrkkblmbrbk	C-PRP	M1630253/442477735341668047549817 : B3422848AF76ED7E PRP: Verified PRP without proof (not generated)
2017-10-02	Oliver Kruse	C-PRP	M1630253/442477735341668047549817 : B3422848AF76ED7E PRP: Verified PRP without proof (not generated)
2016-07-31	bam	F-ECM	Factor: 442477735341668047549817 / (ECM curve 3, B1=50000, B2=5000000)
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
2015-10-11	ramgeis	NF	no factor from 2^65 to 2^66
2015-06-27	MadPoo	C-LL	970BCB53E1107A40
2015-05-03	monst	NF	no factor from 2^64 to 2^65
2015-05-02	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
2010-09-13	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-28	Architects Cubed	NF	no factor from 2^60 to 2^61

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