Q: Is 57,123 a Prime Number?
A: No, 57,123 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 57123 can be evenly divided by 1 3 9 11 33 99 577 1,731 5,193 6,347 19,041 and 57,123, with no remainder.
Since 57,123 cannot be divided by just 1 and 57,123, it is not a prime number.