Q: Is 1,530,221 a Prime Number?
A: No, 1,530,221 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 1530221 can be evenly divided by 1 7 11 17 49 77 119 167 187 539 833 1,169 1,309 1,837 2,839 8,183 9,163 12,859 19,873 31,229 90,013 139,111 218,603 and 1,530,221, with no remainder.
Since 1,530,221 cannot be divided by just 1 and 1,530,221, it is not a prime number.