Q: Is 689,040 a Composite Number?

Why is 689,040 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 689,040 can be evenly divided by 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 29 30 33 36 40 44 45 48 54 55 58 60 66 72 80 87 88 90 99 108 110 116 120 132 135 144 145 165 174 176 180 198 216 220 232 240 261 264 270 290 297 319 330 348 360 396 432 435 440 464 495 522 528 540 580 594 638 660 696 720 783 792 870 880 957 990 1,044 1,080 1,160 1,188 1,276 1,305 1,320 1,392 1,485 1,566 1,584 1,595 1,740 1,914 1,980 2,088 2,160 2,320 2,376 2,552 2,610 2,640 2,871 2,970 3,132 3,190 3,480 3,828 3,915 3,960 4,176 4,752 4,785 5,104 5,220 5,742 5,940 6,264 6,380 6,960 7,656 7,830 7,920 8,613 9,570 10,440 11,484 11,880 12,528 12,760 14,355 15,312 15,660 17,226 19,140 20,880 22,968 23,760 25,520 28,710 31,320 34,452 38,280 43,065 45,936 57,420 62,640 68,904 76,560 86,130 114,840 137,808 172,260 229,680 344,520 and 689,040, with no remainder.

Since 689,040 cannot be divided by just 1 and 689,040, 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).