Q: Is 485,428 a Prime Number?
A: No, 485,428 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 485428 can be evenly divided by 1 2 4 121,357 242,714 and 485,428, with no remainder.
Since 485,428 cannot be divided by just 1 and 485,428, it is not a prime number.