Q: Is 216,318 a Prime Number?
A: No, 216,318 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 216318 can be evenly divided by 1 2 3 6 31 62 93 186 1,163 2,326 3,489 6,978 36,053 72,106 108,159 and 216,318, with no remainder.
Since 216,318 cannot be divided by just 1 and 216,318, it is not a prime number.