Q: Is 726,435 a Prime Number?
A: No, 726,435 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 726435 can be evenly divided by 1 3 5 9 15 27 45 135 5,381 16,143 26,905 48,429 80,715 145,287 242,145 and 726,435, with no remainder.
Since 726,435 cannot be divided by just 1 and 726,435, it is not a prime number.