Q: Is 640,480 a Composite Number?
A: Yes, 640,480 is a composite number.
The number 640,480 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 4,003 8,006 16,012 20,015 32,024 40,030 64,048 80,060 128,096 160,120 320,240 and 640,480, with no remainder.
Since 640,480 cannot be divided by just 1 and 640,480, it is a composite number.