Q: Is 726,426 a Prime Number?
A: No, 726,426 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 726426 can be evenly divided by 1 2 3 6 9 18 40,357 80,714 121,071 242,142 363,213 and 726,426, with no remainder.
Since 726,426 cannot be divided by just 1 and 726,426, it is not a prime number.