Q: Is 478,531 a Prime Number?
A: Yes, 478,531 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 478531 can be evenly divided by 1 and 478,531, with no remainder.
Since 478,531 can be divided by just 1 and 478,531, it is a prime number.