Q: Is 428,225 a Prime Number?
A: No, 428,225 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 428225 can be evenly divided by 1 5 7 25 35 175 2,447 12,235 17,129 61,175 85,645 and 428,225, with no remainder.
Since 428,225 cannot be divided by just 1 and 428,225, it is not a prime number.