Q: Is 123,123 a Prime Number?
A: No, 123,123 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 123123 can be evenly divided by 1 3 7 11 13 21 33 39 41 77 91 123 143 231 273 287 429 451 533 861 1,001 1,353 1,599 3,003 3,157 3,731 5,863 9,471 11,193 17,589 41,041 and 123,123, with no remainder.
Since 123,123 cannot be divided by just 1 and 123,123, it is not a prime number.