Q: Is 1,646,970 a Composite Number?

Why is 1,646,970 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 1,646,970 can be evenly divided by 1 2 3 5 6 10 13 15 26 30 39 41 65 78 82 103 123 130 195 205 206 246 309 390 410 515 533 615 618 1,030 1,066 1,230 1,339 1,545 1,599 2,665 2,678 3,090 3,198 4,017 4,223 5,330 6,695 7,995 8,034 8,446 12,669 13,390 15,990 20,085 21,115 25,338 40,170 42,230 54,899 63,345 109,798 126,690 164,697 274,495 329,394 548,990 823,485 and 1,646,970, with no remainder.

Since 1,646,970 cannot be divided by just 1 and 1,646,970, 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).