Q: Is 138,978 a Composite Number?
A: Yes, 138,978 is a composite number.
The number 138,978 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 1,103 2,206 3,309 6,618 7,721 9,927 15,442 19,854 23,163 46,326 69,489 and 138,978, with no remainder.
Since 138,978 cannot be divided by just 1 and 138,978, it is a composite number.