Prime Factory


A richly featured app for everything involving prime numbers.Available utilities: -Test numbers for primality.-Calculate a number’s unique prime factorization.-List every divisor of a number.-Generate a random prime, with the option to specify a range in which the prime is to be found.-Browse through a complete list of the first 10,000 primes.-Calculate pi(n), the prime counting function. This is the number of primes less than or equal to n.-Calculate the greatest common divisor (GCD) of two numbers.-Calculate the lowest common multiple (LCM) of two numbers.-Find the value of Euler’s totient function, phi(n). This is the number of positive integers less than or equal to n that are coprime to n.Most features allow testing of numbers up to 9,999,999,999,999,999 (10^16 -1).This app is completely free and is not ad supported.

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