Q: Is 424,431 a Prime Number?
A: No, 424,431 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 424431 can be evenly divided by 1 3 7 9 21 63 6,737 20,211 47,159 60,633 141,477 and 424,431, with no remainder.
Since 424,431 cannot be divided by just 1 and 424,431, it is not a prime number.