Q: Is 55,440 a Composite Number?

Why is 55,440 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 55,440 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 28 30 33 35 36 40 42 44 45 48 55 56 60 63 66 70 72 77 80 84 88 90 99 105 110 112 120 126 132 140 144 154 165 168 176 180 198 210 220 231 240 252 264 280 308 315 330 336 360 385 396 420 440 462 495 504 528 560 616 630 660 693 720 770 792 840 880 924 990 1,008 1,155 1,232 1,260 1,320 1,386 1,540 1,584 1,680 1,848 1,980 2,310 2,520 2,640 2,772 3,080 3,465 3,696 3,960 4,620 5,040 5,544 6,160 6,930 7,920 9,240 11,088 13,860 18,480 27,720 and 55,440, with no remainder.

Since 55,440 cannot be divided by just 1 and 55,440, 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).