Q: Is 443,223 a Prime Number?
A: No, 443,223 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 443223 can be evenly divided by 1 3 9 11 33 37 99 111 121 333 363 407 1,089 1,221 1,331 3,663 3,993 4,477 11,979 13,431 40,293 49,247 147,741 and 443,223, with no remainder.
Since 443,223 cannot be divided by just 1 and 443,223, it is not a prime number.