Q: Is 850,221 a Prime Number?
A: No, 850,221 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 850221 can be evenly divided by 1 3 9 17 51 153 5,557 16,671 50,013 94,469 283,407 and 850,221, with no remainder.
Since 850,221 cannot be divided by just 1 and 850,221, it is not a prime number.