Q: Is 1,378,080 a Composite Number?

Why is 1,378,080 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 1,378,080 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 32 33 36 40 44 45 48 54 55 58 60 66 72 80 87 88 90 96 99 108 110 116 120 132 135 144 145 160 165 174 176 180 198 216 220 232 240 261 264 270 288 290 297 319 330 348 352 360 396 432 435 440 464 480 495 522 528 540 580 594 638 660 696 720 783 792 864 870 880 928 957 990 1,044 1,056 1,080 1,160 1,188 1,276 1,305 1,320 1,392 1,440 1,485 1,566 1,584 1,595 1,740 1,760 1,914 1,980 2,088 2,160 2,320 2,376 2,552 2,610 2,640 2,784 2,871 2,970 3,132 3,168 3,190 3,480 3,828 3,915 3,960 4,176 4,320 4,640 4,752 4,785 5,104 5,220 5,280 5,742 5,940 6,264 6,380 6,960 7,656 7,830 7,920 8,352 8,613 9,504 9,570 10,208 10,440 11,484 11,880 12,528 12,760 13,920 14,355 15,312 15,660 15,840 17,226 19,140 20,880 22,968 23,760 25,056 25,520 28,710 30,624 31,320 34,452 38,280 41,760 43,065 45,936 47,520 51,040 57,420 62,640 68,904 76,560 86,130 91,872 114,840 125,280 137,808 153,120 172,260 229,680 275,616 344,520 459,360 689,040 and 1,378,080, with no remainder.

Since 1,378,080 cannot be divided by just 1 and 1,378,080, 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).