Q: Is 428,931 a Prime Number?
A: No, 428,931 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 428931 can be evenly divided by 1 3 9 47,659 142,977 and 428,931, with no remainder.
Since 428,931 cannot be divided by just 1 and 428,931, it is not a prime number.