Q: Is 1,248,786 a Composite Number?

Why is 1,248,786 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 1,248,786 can be evenly divided by 1 2 3 6 7 9 11 14 17 18 21 22 33 34 42 51 53 63 66 77 99 102 106 119 126 153 154 159 187 198 231 238 306 318 357 371 374 462 477 561 583 693 714 742 901 954 1,071 1,113 1,122 1,166 1,309 1,386 1,683 1,749 1,802 2,142 2,226 2,618 2,703 3,339 3,366 3,498 3,927 4,081 5,247 5,406 6,307 6,678 7,854 8,109 8,162 9,911 10,494 11,781 12,243 12,614 16,218 18,921 19,822 23,562 24,486 29,733 36,729 37,842 56,763 59,466 69,377 73,458 89,199 113,526 138,754 178,398 208,131 416,262 624,393 and 1,248,786, with no remainder.

Since 1,248,786 cannot be divided by just 1 and 1,248,786, 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).