Q: Is 723,665 a Prime Number?
A: No, 723,665 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 723665 can be evenly divided by 1 5 101 505 1,433 7,165 144,733 and 723,665, with no remainder.
Since 723,665 cannot be divided by just 1 and 723,665, it is not a prime number.