Q: Is 640,743 a Composite Number?
A: Yes, 640,743 is a composite number.
The number 640,743 can be evenly divided by 1 3 43 129 4,967 14,901 213,581 and 640,743, with no remainder.
Since 640,743 cannot be divided by just 1 and 640,743, it is a composite number.