Q: Is 561,330 a Composite Number?

Why is 561,330 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 561,330 can be evenly divided by 1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 33 35 42 45 54 55 63 66 70 77 81 90 99 105 110 126 135 154 162 165 189 198 210 231 243 270 297 315 330 378 385 405 462 486 495 567 594 630 693 729 770 810 891 945 990 1,134 1,155 1,215 1,386 1,458 1,485 1,701 1,782 1,890 2,079 2,310 2,430 2,673 2,835 2,970 3,402 3,465 3,645 4,158 4,455 5,103 5,346 5,670 6,237 6,930 7,290 8,019 8,505 8,910 10,206 10,395 12,474 13,365 16,038 17,010 18,711 20,790 25,515 26,730 31,185 37,422 40,095 51,030 56,133 62,370 80,190 93,555 112,266 187,110 280,665 and 561,330, with no remainder.

Since 561,330 cannot be divided by just 1 and 561,330, 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).