Q: Is 400,600 a Composite Number?
A: Yes, 400,600 is a composite number.
The number 400,600 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 2,003 4,006 8,012 10,015 16,024 20,030 40,060 50,075 80,120 100,150 200,300 and 400,600, with no remainder.
Since 400,600 cannot be divided by just 1 and 400,600, it is a composite number.