Q: Is 646,139 a Composite Number?
A: Yes, 646,139 is a composite number.
The number 646,139 can be evenly divided by 1 13 23 299 2,161 28,093 49,703 and 646,139, with no remainder.
Since 646,139 cannot be divided by just 1 and 646,139, it is a composite number.