Q: Is 123,879 a Prime Number?
A: No, 123,879 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 123879 can be evenly divided by 1 3 7 17 21 51 119 347 357 1,041 2,429 5,899 7,287 17,697 41,293 and 123,879, with no remainder.
Since 123,879 cannot be divided by just 1 and 123,879, it is not a prime number.