Q: Is 518,312 a Prime Number?
A: No, 518,312 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 518312 can be evenly divided by 1 2 4 8 67 134 268 536 967 1,934 3,868 7,736 64,789 129,578 259,156 and 518,312, with no remainder.
Since 518,312 cannot be divided by just 1 and 518,312, it is not a prime number.