Q: Is 720,434 a Prime Number?
A: No, 720,434 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 720434 can be evenly divided by 1 2 11 13 22 26 121 143 229 242 286 458 1,573 2,519 2,977 3,146 5,038 5,954 27,709 32,747 55,418 65,494 360,217 and 720,434, with no remainder.
Since 720,434 cannot be divided by just 1 and 720,434, it is not a prime number.