Q: Is 1,072,721 a Prime Number?
A: No, 1,072,721 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 1072721 can be evenly divided by 1 13 19 43 101 247 559 817 1,313 1,919 4,343 10,621 24,947 56,459 82,517 and 1,072,721, with no remainder.
Since 1,072,721 cannot be divided by just 1 and 1,072,721, it is not a prime number.