Q: Is 432,321 a Prime Number?
A: No, 432,321 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 432321 can be evenly divided by 1 3 53 159 2,719 8,157 144,107 and 432,321, with no remainder.
Since 432,321 cannot be divided by just 1 and 432,321, it is not a prime number.