Q: Is 420,572 a Prime Number?
A: No, 420,572 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 420572 can be evenly divided by 1 2 4 105,143 210,286 and 420,572, with no remainder.
Since 420,572 cannot be divided by just 1 and 420,572, it is not a prime number.