Q: Is 213,318 a Prime Number?
A: No, 213,318 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 213318 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 1,693 3,386 5,079 10,158 11,851 15,237 23,702 30,474 35,553 71,106 106,659 and 213,318, with no remainder.
Since 213,318 cannot be divided by just 1 and 213,318, it is not a prime number.