Q: Is 431,228 a Prime Number?
A: No, 431,228 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 431228 can be evenly divided by 1 2 4 7 14 28 15,401 30,802 61,604 107,807 215,614 and 431,228, with no remainder.
Since 431,228 cannot be divided by just 1 and 431,228, it is not a prime number.