Q: Is 240,123 a Prime Number?
A: No, 240,123 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 240123 can be evenly divided by 1 3 13 39 47 131 141 393 611 1,703 1,833 5,109 6,157 18,471 80,041 and 240,123, with no remainder.
Since 240,123 cannot be divided by just 1 and 240,123, it is not a prime number.