1 013 321 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1898840989107252060731801	25	80.7	2016-04-24 12:26:34

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 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 Slowinski	5A0	0
Verified (Factored)		Vincent Renardias	7389611CB6B085A0	0
Verified (Factored)	2002-01-08	S57483	7389611CB6B085A0	785824
Verified (Factored)	2011-02-15	Rob_Dee	7389611CB6B085A0	489560

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	Oliver Kruse	DF95F7A0CAA16180	1	0	1	3
Verified	2017-10-15	Oliver Kruse	DF95F7A0CAA16180	1	529642	1	3
Verified	2017-12-27	ATH	DF95F7A0CAA16180	1	784613	1	3

History

Date	User	Type	Result
2021-06-28	ViliamF	NF-PM1	B1=10000000, B2=960000000
2017-12-27	ATH	C-PRP	M1013321/1898840989107252060731801 : DF95F7A0CAA16180 PRP: Verified PRP without proof (not generated)
2017-10-15	Oliver Kruse	C-PRP	M1013321/1898840989107252060731801 : DF95F7A0CAA16180 PRP: Verified PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M1013321/1898840989107252060731801 : DF95F7A0CAA16180 PRP: Verified PRP without proof (not generated)
2016-04-24	Jason U	F-ECM	Factor: 1898840989107252060731801 / (ECM curve 3, B1=50000, B2=5000000)
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2014-04-01	Never Odd Or Even	NF	no factor from 2^70 to 2^71
2013-05-29	Never Odd Or Even	NF	no factor from 2^69 to 2^70
2013-05-29	Never Odd Or Even	NF	no factor from 2^68 to 2^69
2013-05-29	Never Odd Or Even	NF	no factor from 2^67 to 2^68
2013-05-29	Never Odd Or Even	NF	no factor from 2^66 to 2^67
2013-05-29	Never Odd Or Even	NF	no factor from 2^65 to 2^66
2013-05-29	Never Odd Or Even	NF	no factor from 2^64 to 2^65
2011-02-15	Rob_Dee	C-LL	7389611CB6B085A0
2011-01-06	Rob_Dee	NF-PM1	B1=5000000, B2=5100000
2011-01-05	Rob_Dee	NF-PM1	B1=4800000, B2=5000000
2011-01-04	Rob_Dee	NF-PM1	B1=4600000, B2=4800000
2011-01-03	Rob_Dee	NF-PM1	B1=4400000, B2=4600000
2011-01-02	Rob_Dee	NF-PM1	B1=4200000, B2=4400000
2011-01-01	Rob_Dee	NF-PM1	B1=4000000, B2=4200000
2010-12-31	Rob_Dee	NF-PM1	B1=3800000, B2=4000000
2010-12-30	Rob_Dee	NF-PM1	B1=3600000, B2=3800000
2010-12-29	Rob_Dee	NF-PM1	B1=3400000, B2=3600000
2010-12-28	Rob_Dee	NF-PM1	B1=3200000, B2=3400000
2010-12-27	Rob_Dee	NF-PM1	B1=3000000, B2=3200000
2010-12-26	Rob_Dee	NF-PM1	B1=2800000, B2=3000000
2010-12-25	Rob_Dee	NF-PM1	B1=2600000, B2=2800000
2010-12-24	Rob_Dee	NF-PM1	B1=2400000, B2=2600000
2010-12-23	Rob_Dee	NF-PM1	B1=2200000, B2=2400000
2010-12-22	Rob_Dee	NF-PM1	B1=2000000, B2=2200000
2010-12-21	Rob_Dee	NF-PM1	B1=1800000, B2=2000000
2010-12-20	Rob_Dee	NF-PM1	B1=1600000, B2=1800000
2010-12-19	Rob_Dee	NF-PM1	B1=1400000, B2=1600000
2010-12-18	Rob_Dee	NF-PM1	B1=1200000, B2=1400000
2010-12-17	Rob_Dee	NF-PM1	B1=1000000, B2=1200000
2010-12-16	Rob_Dee	NF-PM1	B1=800000, B2=1000000
2010-12-15	Rob_Dee	NF-PM1	B1=600000, B2=800000
2010-12-14	Rob_Dee	NF-PM1	B1=400000, B2=600000
2010-11-10	Michael C	NF	no factor from 2^63 to 2^64
2010-11-10	Michael C	NF	no factor from 2^62 to 2^63
2010-11-10	Michael C	NF	no factor from 2^61 to 2^62
2009-02-14	Sturle Sunde	NF	no factor from 2^60 to 2^61

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