Q: Is 43,218 a Prime Number?
A: No, 43,218 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 43218 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 343 441 686 882 1,029 2,058 2,401 3,087 4,802 6,174 7,203 14,406 21,609 and 43,218, with no remainder.
Since 43,218 cannot be divided by just 1 and 43,218, it is not a prime number.