Q: Is 640,339 a Composite Number?
A: Yes, 640,339 is a composite number.
The number 640,339 can be evenly divided by 1 7 17 119 5,381 37,667 91,477 and 640,339, with no remainder.
Since 640,339 cannot be divided by just 1 and 640,339, it is a composite number.