Q: Is 5,117,721 a Prime Number?
A: No, 5,117,721 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 5117721 can be evenly divided by 1 3 7 21 243,701 731,103 1,705,907 and 5,117,721, with no remainder.
Since 5,117,721 cannot be divided by just 1 and 5,117,721, it is not a prime number.