Prime Number Spiral 6.79
Software for exploring the Prime Number Spiral (a.k.a. the Ulam Spiral) The Prime Number Spiral (a.k.a. the Ulam Spiral) is constructed as follows: Consider a rectangular grid. We start with the central point and arrange the positive integers in a spiral fashion (anticlockwise). The prime numbers are then marked. There is ...
Prime Derivatives 1.0
Enter any number up to twenty digits, and click the button. The result will be a string of unique prime numbers that can evenly be divided into the number that was entered. This attractive, handy little prime number calculator takes any number up to twenty digits, and then factorizes all the unique prime numbers that evenly divide into the number that was entered into the field. It's small enough to neatly fit in the corner ...
Factorizer 8.89
For factoring integers, finding primes and plotting associated histograms Factorizer is a Windows program to find factors of numbers up to 2,147,483,646 and to find primes, pairs of primes and Palmen colors of numbers. Or in more detail, Factorizer may be used: (1) to get the prime decomposition of all numbers in a range ...
CFB Primes 2.0
Find the prime factors and closest primes of any integer up to one billion (US) CFB Primes is an optimised PalmOS program which can find the prime factors and closest primes of any integer number up to one billion (US) in a few seconds or less. The standard edit menu allows you to make use of the results in other applications. CFB ...
