Q: Is 8,720,731 a Prime Number?
A: No, 8,720,731 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 8720731 can be evenly divided by 1 59 79 1,871 4,661 110,389 147,809 and 8,720,731, with no remainder.
Since 8,720,731 cannot be divided by just 1 and 8,720,731, it is not a prime number.