Q: Is 155,223 a Prime Number?
A: No, 155,223 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 155223 can be evenly divided by 1 3 9 27 5,749 17,247 51,741 and 155,223, with no remainder.
Since 155,223 cannot be divided by just 1 and 155,223, it is not a prime number.