Q: Is 221,042 a Prime Number?
A: No, 221,042 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 221042 can be evenly divided by 1 2 79 158 1,399 2,798 110,521 and 221,042, with no remainder.
Since 221,042 cannot be divided by just 1 and 221,042, it is not a prime number.