Q: Is 372,123 a Prime Number?
A: No, 372,123 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 372123 can be evenly divided by 1 3 9 173 239 519 717 1,557 2,151 41,347 124,041 and 372,123, with no remainder.
Since 372,123 cannot be divided by just 1 and 372,123, it is not a prime number.