Q: Is 109,221 a Prime Number?
A: No, 109,221 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 109221 can be evenly divided by 1 3 7 21 49 147 743 2,229 5,201 15,603 36,407 and 109,221, with no remainder.
Since 109,221 cannot be divided by just 1 and 109,221, it is not a prime number.