Q: Is 121,440 a Composite Number?

Why is 121,440 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 121,440 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 23 24 30 32 33 40 44 46 48 55 60 66 69 80 88 92 96 110 115 120 132 138 160 165 176 184 220 230 240 253 264 276 330 345 352 368 440 460 480 506 528 552 660 690 736 759 880 920 1,012 1,056 1,104 1,265 1,320 1,380 1,518 1,760 1,840 2,024 2,208 2,530 2,640 2,760 3,036 3,680 3,795 4,048 5,060 5,280 5,520 6,072 7,590 8,096 10,120 11,040 12,144 15,180 20,240 24,288 30,360 40,480 60,720 and 121,440, with no remainder.

Since 121,440 cannot be divided by just 1 and 121,440, 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).