Q: Is 1,021,221 a Prime Number?
A: No, 1,021,221 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 1021221 can be evenly divided by 1 3 9 27 109 327 347 981 1,041 2,943 3,123 9,369 37,823 113,469 340,407 and 1,021,221, with no remainder.
Since 1,021,221 cannot be divided by just 1 and 1,021,221, it is not a prime number.