Q: Is 357,123 a Prime Number?
A: No, 357,123 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 357123 can be evenly divided by 1 3 13 39 9,157 27,471 119,041 and 357,123, with no remainder.
Since 357,123 cannot be divided by just 1 and 357,123, it is not a prime number.