Q: Is 73,440 a Composite Number?

Why is 73,440 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 73,440 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 40 45 48 51 54 60 68 72 80 85 90 96 102 108 120 135 136 144 153 160 170 180 204 216 240 255 270 272 288 306 340 360 408 432 459 480 510 540 544 612 680 720 765 816 864 918 1,020 1,080 1,224 1,360 1,440 1,530 1,632 1,836 2,040 2,160 2,295 2,448 2,720 3,060 3,672 4,080 4,320 4,590 4,896 6,120 7,344 8,160 9,180 12,240 14,688 18,360 24,480 36,720 and 73,440, with no remainder.

Since 73,440 cannot be divided by just 1 and 73,440, 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).