價格：免費
更新日期：2011-01-24
檔案大小：68k
目前版本：1.2
版本需求：Android 2.1 以上版本
官方網站：mailto:jemsut@hotmail.com
Email：https://sites.google.com/site/primefactoryprivacypolicy/
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.
