Factoring Web Directory.


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Home > Science > Math > Number Theory > Factoring
Directory of Web Resources @ Expo Central : Factoring

Science > Math > Number Theory > Factoring : Categories

Division Rules (8)

Perfect Numbers (15)

Tables (14)

Science > Math > Number Theory > Factoring : Web Resources

Science > Math > Number Theory > Factoring : Web-Sites

1. Computing Aurifeuillian factors [ Report dead link ]

Algorithm that finds non-trivial factors of certain numbers of the form a^b +/- 1.

http://web.comlab.ox.ac.uk/oucl/work/richard.brent/pub/pub127.html

2. Discovery of a Lost Factoring Machine [ Report dead link ]

Built by a French amateur, E.-O. Carissan, around 1919. Shallit, Williams and Morain include photographs and references to their paper.

http://www.cs.uwaterloo.ca/~shallit/Papers/carissan.html

3. Factoring Fermat Numbers [ Report dead link ]

Cash prizes for new factors of Fermat numbers Fn, for n = 12 through 22.

http://www.perfsci.com/freegoods.htm#fermat

4. Factoring Papers [ Report dead link ]

Links to papers on the theory and practice of factoring.

http://www.crypto-world.com/FactorPapers.html

5. Factoris [ Report dead link ]

Online calculator that factorizes large numbers, specified by formula.

http://wims.unice.fr/~wims/wims.cgi?lang=en&module=tool/algebra/factor.en&cmd=new&

6. Factorization of F10 [ Report dead link ]

F10 = 2^(2^10) + 1 is the 10-th Fermat number. Richard Brent describes his discovery of the two largest factors.

http://web.comlab.ox.ac.uk/oucl/work/richard.brent/F10.html

7. Factorization of RSA-155 [ Report dead link ]

Announcement of factorization of a 512-bit RSA key using the General Number Field Sieve (GNFS).

http://www.crypto-world.com/announcements/RSA155.txt

8. Factorization Using the Elliptic Curve Method [ Report dead link ]

Java applet that can be used to find 20- or 30-digit factors of numbers or numerical expressions up to 1000 digits long. It also computes the number and sum of divisors, the Euler's totient and moebius functions, and the decomposition of the number in a sum of up to four squares.

http://www.alpertron.com.ar/ECM.HTM

9. Factorizations of Near-repdigit Numbers [ Report dead link ]

Factorizations of numbers composed of all the same digit except first and/or last.

http://homepage2.nifty.com/m_kamada/math/factorizations.htm

10. FactorWorld [ Report dead link ]

Dedicated to algorithms and computational results on integer factorization. Includes links to papers, downloadable software, and online resources.

http://www.crypto-world.com/FactorWorld.html

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Science > Math > Number Theory > Factoring : Web Resources

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