Q: Is 1,765,638 a Composite Number?

Why is 1,765,638 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 1,765,638 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 173 189 243 346 378 486 519 567 729 1,038 1,134 1,211 1,458 1,557 1,701 2,422 3,114 3,402 3,633 4,671 5,103 7,266 9,342 10,206 10,899 14,013 21,798 28,026 32,697 42,039 65,394 84,078 98,091 126,117 196,182 252,234 294,273 588,546 882,819 and 1,765,638, with no remainder.

Since 1,765,638 cannot be divided by just 1 and 1,765,638, 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).