Q: Is 221,118 a Prime Number?
A: No, 221,118 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 221118 can be evenly divided by 1 2 3 6 137 269 274 411 538 807 822 1,614 36,853 73,706 110,559 and 221,118, with no remainder.
Since 221,118 cannot be divided by just 1 and 221,118, it is not a prime number.