Q: Is 640,739 a Composite Number?
A: Yes, 640,739 is a composite number.
The number 640,739 can be evenly divided by 1 11 31 341 1,879 20,669 58,249 and 640,739, with no remainder.
Since 640,739 cannot be divided by just 1 and 640,739, it is a composite number.