Q: Is 478,542 a Prime Number?
A: No, 478,542 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 478542 can be evenly divided by 1 2 3 6 79,757 159,514 239,271 and 478,542, with no remainder.
Since 478,542 cannot be divided by just 1 and 478,542, it is not a prime number.