Q: Is 12,789,270 a Composite Number?

Why is 12,789,270 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 12,789,270 can be evenly divided by 1 2 3 5 6 9 10 13 15 17 18 26 30 34 39 45 51 65 78 85 90 102 117 130 153 170 195 221 234 255 306 390 442 510 585 643 663 765 1,105 1,170 1,286 1,326 1,530 1,929 1,989 2,210 3,215 3,315 3,858 3,978 5,787 6,430 6,630 8,359 9,645 9,945 10,931 11,574 16,718 19,290 19,890 21,862 25,077 28,935 32,793 41,795 50,154 54,655 57,870 65,586 75,231 83,590 98,379 109,310 125,385 142,103 150,462 163,965 196,758 250,770 284,206 327,930 376,155 426,309 491,895 710,515 752,310 852,618 983,790 1,278,927 1,421,030 2,131,545 2,557,854 4,263,090 6,394,635 and 12,789,270, with no remainder.

Since 12,789,270 cannot be divided by just 1 and 12,789,270, 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).