Q: Is 72,438 a Prime Number?
A: No, 72,438 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 72438 can be evenly divided by 1 2 3 6 12,073 24,146 36,219 and 72,438, with no remainder.
Since 72,438 cannot be divided by just 1 and 72,438, it is not a prime number.