Q: Is 720,550 a Prime Number?
A: No, 720,550 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 720550 can be evenly divided by 1 2 5 10 25 50 14,411 28,822 72,055 144,110 360,275 and 720,550, with no remainder.
Since 720,550 cannot be divided by just 1 and 720,550, it is not a prime number.