Q: Is 1,782,400 a Composite Number?

Why is 1,782,400 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 1,782,400 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 557 640 800 1,114 1,600 2,228 2,785 3,200 4,456 5,570 8,912 11,140 13,925 17,824 22,280 27,850 35,648 44,560 55,700 71,296 89,120 111,400 178,240 222,800 356,480 445,600 891,200 and 1,782,400, with no remainder.

Since 1,782,400 cannot be divided by just 1 and 1,782,400, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).