Q: Is 918,540 a Composite Number?

Why is 918,540 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 918,540 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 162 180 189 210 243 252 270 315 324 378 405 420 486 540 567 630 729 756 810 945 972 1,134 1,215 1,260 1,458 1,620 1,701 1,890 2,187 2,268 2,430 2,835 2,916 3,402 3,645 3,780 4,374 4,860 5,103 5,670 6,561 6,804 7,290 8,505 8,748 10,206 10,935 11,340 13,122 14,580 15,309 17,010 20,412 21,870 25,515 26,244 30,618 32,805 34,020 43,740 45,927 51,030 61,236 65,610 76,545 91,854 102,060 131,220 153,090 183,708 229,635 306,180 459,270 and 918,540, with no remainder.

Since 918,540 cannot be divided by just 1 and 918,540, 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).