Q: Is 4,134,321 a Prime Number?
A: No, 4,134,321 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 4134321 can be evenly divided by 1 3 9 27 43 81 129 387 1,161 1,187 3,483 3,561 10,683 32,049 51,041 96,147 153,123 459,369 1,378,107 and 4,134,321, with no remainder.
Since 4,134,321 cannot be divided by just 1 and 4,134,321, it is not a prime number.