Q: Is 2,771,200 a Composite Number?

Why is 2,771,200 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 2,771,200 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 433 640 800 866 1,280 1,600 1,732 2,165 3,200 3,464 4,330 6,400 6,928 8,660 10,825 13,856 17,320 21,650 27,712 34,640 43,300 55,424 69,280 86,600 110,848 138,560 173,200 277,120 346,400 554,240 692,800 1,385,600 and 2,771,200, with no remainder.

Since 2,771,200 cannot be divided by just 1 and 2,771,200, 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).