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Fibonacci and Lucas Factorizations - http://home.att.net/~blair.kelly/mathematics/fibonacci/
Tables of known factorizations of the first 10,000 Fibonacci and Lucas numbers. |
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Cunningham Project - http://www.cerias.purdue.edu/homes/ssw/cun/
Current status of the project to factor numbers of the form b^n +/- 1, b = 2, 3, 5, 6, 7, 10, 11, and 12. Maintained by Samuel S. Wagstaff, jr. |
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Fermat Factoring Status - http://www.prothsearch.net/fermat.html
Compiled by Wilfrid Keller, lists the known prime factors and complete factorizations of Fermat numbers. |
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Factorizations of Repunit Numbers - http://www.h4.dion.ne.jp/~rep/
Tables available in text and compressed format. |
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Factorization of Cyclotomic Numbers - http://www.asahi-net.or.jp/~KC2H-MSM/cn/
Hisanori Mishima is coordinating the search and producing tables of factorizations of cyclotomic numbers for values of phi(n) less than 48. |
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Factors of 2^n + or - 1 - http://www.euronet.nl/users/bota/medium-p.htm
Factorizations for values of n up to 10000, extending the results of the Cunningham Project. |
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Factors of Numbers near Googolplex - http://www.alpertron.com.ar/googol.htm
This table includes all known prime factors of the numbers in the range 10^(10^100) to 10^(10^100)+999, including more than 57000 prime factors of googolplex + 10. |
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Brilliant Numbers - http://www.alpertron.com.ar/BRILLIANT.HTM
Tables of maximal and minimal numbers with two, three or four prime factors of the same length (in decimal notation). |
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Factors of Modified Fermat Numbers - http://www.alpertron.com.ar/MODFERM.HTM
Factors of numbers of the form 4^(3^n)+2^(3^n)+1 and 4^(3^n)-2^(3^n)+1. |
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Factorization Results - http://www.asahi-net.or.jp/~KC2H-MSM/mathland/matha1/index.htm
Tables, summaries, and links to many factoring endeavors, including primorials, factorials, and cyclotomic polynomials. Includes theorems and descriptions behind each project. |