Q: Is 306,180 a Composite Number?

Why is 306,180 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 306,180 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 6,804 7,290 8,505 8,748 10,206 10,935 11,340 14,580 15,309 17,010 20,412 21,870 25,515 30,618 34,020 43,740 51,030 61,236 76,545 102,060 153,090 and 306,180, with no remainder.

Since 306,180 cannot be divided by just 1 and 306,180, 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).