Q: Is 4,426,721 a Prime Number?
A: No, 4,426,721 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 4426721 can be evenly divided by 1 13 43 559 7,919 102,947 340,517 and 4,426,721, with no remainder.
Since 4,426,721 cannot be divided by just 1 and 4,426,721, it is not a prime number.