Q: Is 123,398 a Prime Number?
A: No, 123,398 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 123398 can be evenly divided by 1 2 11 22 71 79 142 158 781 869 1,562 1,738 5,609 11,218 61,699 and 123,398, with no remainder.
Since 123,398 cannot be divided by just 1 and 123,398, it is not a prime number.