Q: Is 420,904 a Prime Number?
A: No, 420,904 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 420904 can be evenly divided by 1 2 4 8 11 22 44 88 4,783 9,566 19,132 38,264 52,613 105,226 210,452 and 420,904, with no remainder.
Since 420,904 cannot be divided by just 1 and 420,904, it is not a prime number.