Q: Is 1,260,321 a Prime Number?
A: No, 1,260,321 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 1260321 can be evenly divided by 1 3 61 71 97 183 213 291 4,331 5,917 6,887 12,993 17,751 20,661 420,107 and 1,260,321, with no remainder.
Since 1,260,321 cannot be divided by just 1 and 1,260,321, it is not a prime number.