Q: Is 2,249,721 a Prime Number?
A: No, 2,249,721 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 2249721 can be evenly divided by 1 3 9 27 97 291 859 873 2,577 2,619 7,731 23,193 83,323 249,969 749,907 and 2,249,721, with no remainder.
Since 2,249,721 cannot be divided by just 1 and 2,249,721, it is not a prime number.