Q: Is 15,478 a Prime Number?
A: No, 15,478 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 15478 can be evenly divided by 1 2 71 109 142 218 7,739 and 15,478, with no remainder.
Since 15,478 cannot be divided by just 1 and 15,478, it is not a prime number.