Q: Is 428,522 a Prime Number?
A: No, 428,522 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 428522 can be evenly divided by 1 2 167 334 1,283 2,566 214,261 and 428,522, with no remainder.
Since 428,522 cannot be divided by just 1 and 428,522, it is not a prime number.