Q: Is 726,608 a Prime Number?
A: No, 726,608 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 726608 can be evenly divided by 1 2 4 8 16 45,413 90,826 181,652 363,304 and 726,608, with no remainder.
Since 726,608 cannot be divided by just 1 and 726,608, it is not a prime number.