Q: Is 9,618,345 a Composite Number?

Why is 9,618,345 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 9,618,345 can be evenly divided by 1 3 5 9 11 15 17 27 33 45 51 55 81 85 99 127 135 153 165 187 255 297 381 405 459 495 561 635 765 891 935 1,143 1,377 1,397 1,485 1,683 1,905 2,159 2,295 2,805 3,429 4,191 4,455 5,049 5,715 6,477 6,885 6,985 8,415 10,287 10,795 12,573 15,147 17,145 19,431 20,955 23,749 25,245 32,385 37,719 51,435 58,293 62,865 71,247 75,735 97,155 113,157 118,745 174,879 188,595 213,741 291,465 356,235 565,785 641,223 874,395 1,068,705 1,923,669 3,206,115 and 9,618,345, with no remainder.

Since 9,618,345 cannot be divided by just 1 and 9,618,345, 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).