Introduction - If you have any usage issues, please Google them yourself
Seeking qualitative method to determine whether the prime number n to determine whether the prime number n will be n divided by n integers until 2 the following date, in order to observe the n can be divisible, then if there were a number divisible, it is considered non-prime number and out of the loop. At the end of a few such as non-divisible, then the number is prime number.