Q: Is 121,200 a Composite Number?

Why is 121,200 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 121,200 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 101 120 150 200 202 240 300 303 400 404 505 600 606 808 1,010 1,200 1,212 1,515 1,616 2,020 2,424 2,525 3,030 4,040 4,848 5,050 6,060 7,575 8,080 10,100 12,120 15,150 20,200 24,240 30,300 40,400 60,600 and 121,200, with no remainder.

Since 121,200 cannot be divided by just 1 and 121,200, 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).