Q: Is 918,720 a Composite Number?

Why is 918,720 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 918,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 29 30 32 33 36 40 44 45 48 55 58 60 64 66 72 80 87 88 90 96 99 110 116 120 132 144 145 160 165 174 176 180 192 198 220 232 240 261 264 288 290 319 320 330 348 352 360 396 435 440 464 480 495 522 528 576 580 638 660 696 704 720 792 870 880 928 957 960 990 1,044 1,056 1,160 1,276 1,305 1,320 1,392 1,440 1,584 1,595 1,740 1,760 1,856 1,914 1,980 2,088 2,112 2,320 2,552 2,610 2,640 2,784 2,871 2,880 3,168 3,190 3,480 3,520 3,828 3,960 4,176 4,640 4,785 5,104 5,220 5,280 5,568 5,742 6,336 6,380 6,960 7,656 7,920 8,352 9,280 9,570 10,208 10,440 10,560 11,484 12,760 13,920 14,355 15,312 15,840 16,704 19,140 20,416 20,880 22,968 25,520 27,840 28,710 30,624 31,680 38,280 41,760 45,936 51,040 57,420 61,248 76,560 83,520 91,872 102,080 114,840 153,120 183,744 229,680 306,240 459,360 and 918,720, with no remainder.

Since 918,720 cannot be divided by just 1 and 918,720, 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).