Q: Is 178,478 a Prime Number?
A: No, 178,478 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 178478 can be evenly divided by 1 2 233 383 466 766 89,239 and 178,478, with no remainder.
Since 178,478 cannot be divided by just 1 and 178,478, it is not a prime number.