Q: Is 640,072 a Composite Number?
A: Yes, 640,072 is a composite number.
The number 640,072 can be evenly divided by 1 2 4 8 19 38 76 152 4,211 8,422 16,844 33,688 80,009 160,018 320,036 and 640,072, with no remainder.
Since 640,072 cannot be divided by just 1 and 640,072, it is a composite number.