Q: Is 428,025 a Prime Number?
A: No, 428,025 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 428025 can be evenly divided by 1 3 5 13 15 25 39 65 75 195 325 439 975 1,317 2,195 5,707 6,585 10,975 17,121 28,535 32,925 85,605 142,675 and 428,025, with no remainder.
Since 428,025 cannot be divided by just 1 and 428,025, it is not a prime number.