Q: Is 716,721 a Prime Number?
A: No, 716,721 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 716721 can be evenly divided by 1 3 41 123 5,827 17,481 238,907 and 716,721, with no remainder.
Since 716,721 cannot be divided by just 1 and 716,721, it is not a prime number.