Q: Is 2,108,221 a Prime Number?
A: No, 2,108,221 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 2108221 can be evenly divided by 1 17 19 61 107 323 1,037 1,159 1,819 2,033 6,527 19,703 34,561 110,959 124,013 and 2,108,221, with no remainder.
Since 2,108,221 cannot be divided by just 1 and 2,108,221, it is not a prime number.