Q: Is 318,520 a Prime Number?
A: No, 318,520 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 318520 can be evenly divided by 1 2 4 5 8 10 20 40 7,963 15,926 31,852 39,815 63,704 79,630 159,260 and 318,520, with no remainder.
Since 318,520 cannot be divided by just 1 and 318,520, it is not a prime number.