Q: Is 143,136 a Composite Number?

Why is 143,136 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 143,136 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 71 72 84 96 112 126 142 144 168 213 224 252 284 288 336 426 497 504 568 639 672 852 994 1,008 1,136 1,278 1,491 1,704 1,988 2,016 2,272 2,556 2,982 3,408 3,976 4,473 5,112 5,964 6,816 7,952 8,946 10,224 11,928 15,904 17,892 20,448 23,856 35,784 47,712 71,568 and 143,136, with no remainder.

Since 143,136 cannot be divided by just 1 and 143,136, 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).