Q: Is 216,438 a Prime Number?
A: No, 216,438 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 216438 can be evenly divided by 1 2 3 6 36,073 72,146 108,219 and 216,438, with no remainder.
Since 216,438 cannot be divided by just 1 and 216,438, it is not a prime number.