Q: Is 1,247,103 a Composite Number?

Why is 1,247,103 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 1,247,103 can be evenly divided by 1 3 9 11 13 17 19 27 33 39 51 57 99 117 143 153 171 187 209 221 247 297 323 351 429 459 513 561 627 663 741 969 1,287 1,683 1,881 1,989 2,223 2,431 2,717 2,907 3,553 3,861 4,199 5,049 5,643 5,967 6,669 7,293 8,151 8,721 10,659 12,597 21,879 24,453 31,977 37,791 46,189 65,637 73,359 95,931 113,373 138,567 415,701 and 1,247,103, with no remainder.

Since 1,247,103 cannot be divided by just 1 and 1,247,103, 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).