689 807 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
14112818891878613735746752103	29	93.5	2015-07-14 06:27:16

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	A8D	0
Verified (Factored)		Tony Neilson	09336C5595278A8D	0
Verified (Factored)		Ricardo Montiel	09336C5595278A8D	0
Verified (Factored)	2015-04-11	MadPoo	09336C5595278A8D	387559

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-27	Oliver Kruse	4DA1FEE43A8F6F9D	1	0	1	3
Verified	2017-09-28	Oliver Kruse	4DA1FEE43A8F6F9D	1	0	1	3
Verified	2017-11-09	kkmrkkblmbrbk	4DA1FEE43A8F6F9D	1	177072	1	3
Unverified (Reliable)	2020-04-20	Oliver Kruse	EC795157B8EE96__	1	579960	5	3

P-1 factors

Date	Factor	B1	B2
2015-07-14	14112818891878613735746752103	12500000	600000000

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-04-20	Oliver Kruse	C-PRP	M689807/14112818891878613735746752103 : EC795157B8EE96__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-11-09	kkmrkkblmbrbk	C-PRP	M689807/14112818891878613735746752103 : 4DA1FEE43A8F6F9D PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-28	Oliver Kruse	C-PRP	M689807/14112818891878613735746752103 : 4DA1FEE43A8F6F9D PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-27	Oliver Kruse	C-PRP	M689807/14112818891878613735746752103 : 4DA1FEE43A8F6F9D PRP: Unverified (Reliable) PRP without proof (not generated)
2015-07-14	mikr	F-PM1	Factor: 14112818891878613735746752103 / (P-1, B1=12500000, B2=600000000, E=12)
2015-07-07	Joss	NF-PM1	B1=3253053
2015-06-25	Joss	NF-PM1	B1=2957321
2015-06-08	Joss	NF-PM1	B1=2688474
2015-05-26	Joss	NF-PM1	B1=2444068
2015-05-22	Joss	NF-PM1	B1=2221880
2015-05-19	lycorn	NF	no factor from 2^61 to 2^62
2015-05-01	Joss	NF-PM1	B1=2019891
2015-04-11	MadPoo	C-LL	09336C5595278A8D
2015-04-08	Joss	NF-PM1	B1=1669332
2015-03-29	Joss	NF-PM1	B1=1517575
2012-08-29	Joss	NF-PM1	B1=1379614
2011-09-18	Joss	NF-PM1	B1=537694
2011-07-15	Joss	NF-PM1	B1=322616
2010-06-06	Architects Cubed	NF	no factor from 2^60 to 2^61
2008-10-12	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-10-12	Sturle Sunde	NF	no factor from 2^58 to 2^59

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