Q: Is 720,880 a Prime Number?
A: No, 720,880 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 720880 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 9,011 18,022 36,044 45,055 72,088 90,110 144,176 180,220 360,440 and 720,880, with no remainder.
Since 720,880 cannot be divided by just 1 and 720,880, it is not a prime number.