Q: Is 219,780 a Composite Number?

Why is 219,780 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 219,780 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 37 44 45 54 55 60 66 74 90 99 108 110 111 132 135 148 165 180 185 198 220 222 270 297 330 333 370 396 407 444 495 540 555 594 660 666 740 814 990 999 1,110 1,188 1,221 1,332 1,485 1,628 1,665 1,980 1,998 2,035 2,220 2,442 2,970 3,330 3,663 3,996 4,070 4,884 4,995 5,940 6,105 6,660 7,326 8,140 9,990 10,989 12,210 14,652 18,315 19,980 21,978 24,420 36,630 43,956 54,945 73,260 109,890 and 219,780, with no remainder.

Since 219,780 cannot be divided by just 1 and 219,780, 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).