Q: Is 1,398,012 a Composite Number?

Why is 1,398,012 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 1,398,012 can be evenly divided by 1 2 3 4 6 7 11 12 14 17 21 22 28 33 34 42 44 51 66 68 77 84 89 102 119 132 154 178 187 204 231 238 267 308 356 357 374 462 476 534 561 623 714 748 924 979 1,068 1,122 1,246 1,309 1,428 1,513 1,869 1,958 2,244 2,492 2,618 2,937 3,026 3,738 3,916 3,927 4,539 5,236 5,874 6,052 6,853 7,476 7,854 9,078 10,591 11,748 13,706 15,708 16,643 18,156 20,559 21,182 27,412 31,773 33,286 41,118 42,364 49,929 63,546 66,572 82,236 99,858 116,501 127,092 199,716 233,002 349,503 466,004 699,006 and 1,398,012, with no remainder.

Since 1,398,012 cannot be divided by just 1 and 1,398,012, 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).