Q: Is 420,585 a Prime Number?
A: No, 420,585 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 420585 can be evenly divided by 1 3 5 11 15 33 55 165 2,549 7,647 12,745 28,039 38,235 84,117 140,195 and 420,585, with no remainder.
Since 420,585 cannot be divided by just 1 and 420,585, it is not a prime number.