Q: Is 438,438 a Composite Number?

Why is 438,438 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 438,438 can be evenly divided by 1 2 3 6 7 11 13 14 21 22 26 33 39 42 66 73 77 78 91 143 146 154 182 219 231 273 286 429 438 462 511 546 803 858 949 1,001 1,022 1,533 1,606 1,898 2,002 2,409 2,847 3,003 3,066 4,818 5,621 5,694 6,006 6,643 10,439 11,242 13,286 16,863 19,929 20,878 31,317 33,726 39,858 62,634 73,073 146,146 219,219 and 438,438, with no remainder.

Since 438,438 cannot be divided by just 1 and 438,438, 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).