Q: Is 178,438 a Prime Number?
A: No, 178,438 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 178438 can be evenly divided by 1 2 13 26 6,863 13,726 89,219 and 178,438, with no remainder.
Since 178,438 cannot be divided by just 1 and 178,438, it is not a prime number.