Q: Is 428,997 a Prime Number?
A: No, 428,997 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 428997 can be evenly divided by 1 3 29 87 4,931 14,793 142,999 and 428,997, with no remainder.
Since 428,997 cannot be divided by just 1 and 428,997, it is not a prime number.