Q: Is 3,200,000 a Composite Number?

Why is 3,200,000 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 3,200,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 512 625 640 800 1,000 1,024 1,250 1,280 1,600 2,000 2,500 2,560 3,125 3,200 4,000 5,000 5,120 6,250 6,400 8,000 10,000 12,500 12,800 16,000 20,000 25,000 25,600 32,000 40,000 50,000 64,000 80,000 100,000 128,000 160,000 200,000 320,000 400,000 640,000 800,000 1,600,000 and 3,200,000, with no remainder.

Since 3,200,000 cannot be divided by just 1 and 3,200,000, 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).