Q: Is 67,221 a Prime Number?
A: No, 67,221 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 67221 can be evenly divided by 1 3 7 9 11 21 33 63 77 97 99 231 291 679 693 873 1,067 2,037 3,201 6,111 7,469 9,603 22,407 and 67,221, with no remainder.
Since 67,221 cannot be divided by just 1 and 67,221, it is not a prime number.