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Aliquot Sequences |
Popularity:  Hit: 291 | Visit: 4 |
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Factoris (Popularity: ): Online calculator that factorizes large numbers, specified by formula.
The Factor Zone (Popularity: ): Aimed at grade school students and teachers, includes course guidelines, worksheets, and factor tables up to 600.
Sierpinski Problem (Popularity: ): Sierpinski proved there exist infinitely many odd integers k such that k*2^n+1 is composite for every n. Ray Ballinger coordinates a search to prove or disprove whether k=78557 is the ...
I Love Binary, Primes, and Factors (Popularity: ): Divisibility, primes and binary numbers.
Factorization Using the Elliptic Curve Method (Popularity: ): 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 ...
Fermat Search (Popularity: ): Leonid Durman's Fermat number factoring site and program.
The Anti-Divisor (Popularity: ): A definition and description of the Anti-Divisor, and some related results.
FactorWorld (Popularity: ): Dedicated to algorithms and computational results on integer factorization. Includes links to papers, downloadable software, and online resources.
Factorization of RSA-155 (Popularity: ): Announcement of factorization of a 512-bit RSA key using the General Number Field Sieve (GNFS).
Factoring Papers (Popularity: ): Links to papers on the theory and practice of factoring.
Aliquot Sequences (Popularity: ): Statistics by Wolfgang Creyaufmueller, including many tables and links to factoring sites and software.
Perfect Numbers (Popularity: ): A detailed history of the quest for perfect numbers, from Euclid to their present-day Mersenne discoveries.
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