Q: Is 5,505,721 a Prime Number?
A: No, 5,505,721 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 5505721 can be evenly divided by 1 13 47 611 9,011 117,143 423,517 and 5,505,721, with no remainder.
Since 5,505,721 cannot be divided by just 1 and 5,505,721, it is not a prime number.