Q: Is 1,615,680 a Composite Number?

Why is 1,615,680 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 1,615,680 can be evenly divided by 1 2 3 4 5 6 8 9 10 11 12 15 16 17 18 20 22 24 27 30 32 33 34 36 40 44 45 48 51 54 55 60 64 66 68 72 80 85 88 90 96 99 102 108 110 120 132 135 136 144 153 160 165 170 176 180 187 192 198 204 216 220 240 255 264 270 272 288 297 306 320 330 340 352 360 374 396 408 432 440 459 480 495 510 528 540 544 561 576 594 612 660 680 704 720 748 765 792 816 864 880 918 935 960 990 1,020 1,056 1,080 1,088 1,122 1,188 1,224 1,320 1,360 1,440 1,485 1,496 1,530 1,584 1,632 1,683 1,728 1,760 1,836 1,870 1,980 2,040 2,112 2,160 2,244 2,295 2,376 2,448 2,640 2,720 2,805 2,880 2,970 2,992 3,060 3,168 3,264 3,366 3,520 3,672 3,740 3,960 4,080 4,320 4,488 4,590 4,752 4,896 5,049 5,280 5,440 5,610 5,940 5,984 6,120 6,336 6,732 7,344 7,480 7,920 8,160 8,415 8,640 8,976 9,180 9,504 9,792 10,098 10,560 11,220 11,880 11,968 12,240 13,464 14,688 14,960 15,840 16,320 16,830 17,952 18,360 19,008 20,196 22,440 23,760 24,480 25,245 26,928 29,376 29,920 31,680 33,660 35,904 36,720 40,392 44,880 47,520 48,960 50,490 53,856 59,840 67,320 73,440 80,784 89,760 95,040 100,980 107,712 134,640 146,880 161,568 179,520 201,960 269,280 323,136 403,920 538,560 807,840 and 1,615,680, with no remainder.

Since 1,615,680 cannot be divided by just 1 and 1,615,680, 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).