Q: Is 221,949 a Prime Number?
A: No, 221,949 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 221949 can be evenly divided by 1 3 7 9 13 21 39 63 91 117 271 273 813 819 1,897 2,439 3,523 5,691 10,569 17,073 24,661 31,707 73,983 and 221,949, with no remainder.
Since 221,949 cannot be divided by just 1 and 221,949, it is not a prime number.