Q: Is 207,123 a Prime Number?
A: No, 207,123 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 207123 can be evenly divided by 1 3 7 21 49 147 1,409 4,227 9,863 29,589 69,041 and 207,123, with no remainder.
Since 207,123 cannot be divided by just 1 and 207,123, it is not a prime number.