Q: Is 745,721 a Prime Number?
A: No, 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 745721 can be evenly divided by 1 251 2,971 and 745,721, with no remainder.
Since 745,721 cannot be divided by just 1 and 745,721, it is not a prime number.