Q: Is 221,442 a Prime Number?
A: No, 221,442 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 221442 can be evenly divided by 1 2 3 6 13 17 26 34 39 51 78 102 167 221 334 442 501 663 1,002 1,326 2,171 2,839 4,342 5,678 6,513 8,517 13,026 17,034 36,907 73,814 110,721 and 221,442, with no remainder.
Since 221,442 cannot be divided by just 1 and 221,442, it is not a prime number.