Q: Is 138,728 a Composite Number?
A: Yes, 138,728 is a composite number.
The number 138,728 can be evenly divided by 1 2 4 8 17,341 34,682 69,364 and 138,728, with no remainder.
Since 138,728 cannot be divided by just 1 and 138,728, it is a composite number.