Factor tables of numbers of various forms.
Related categories 2
Sites 8
- Factors Lists the factors of every single number up to 600, for quick reference and as a resource for students.
- Cunningham Project 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.
- Factorization of Cyclotomic Numbers Hisanori Mishima is coordinating the search and producing tables of factorizations of cyclotomic numbers for values of phi(n) less than 48.
- Factorization Results Tables, summaries, and links to many factoring endeavors, including primorials, factorials, and cyclotomic polynomials. Includes theorems and descriptions behind each project.
- Brilliant Numbers Tables of maximal and minimal numbers with two, three or four prime factors of the same length (in decimal notation).
- Factors of Modified Fermat Numbers Factors of numbers of the form 4^(3^n)+2^(3^n)+1 and 4^(3^n)-2^(3^n)+1.
- Factors of Numbers near Googolplex 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.
- Factorizations of Repunit Numbers Tables available in text and compressed format.