Q: Is 4,745,721 a Prime Number?
A: No, 4,745,721 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 4745721 can be evenly divided by 1 3 293 879 5,399 16,197 1,581,907 and 4,745,721, with no remainder.
Since 4,745,721 cannot be divided by just 1 and 4,745,721, it is not a prime number.