Q: Is 1,718,640 a Composite Number?

Why is 1,718,640 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 1,718,640 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 31 33 35 36 40 42 44 45 48 55 56 60 62 63 66 70 72 77 80 84 88 90 93 99 105 110 112 120 124 126 132 140 144 154 155 165 168 176 180 186 198 210 217 220 231 240 248 252 264 279 280 308 310 315 330 336 341 360 372 385 396 420 434 440 462 465 495 496 504 528 558 560 616 620 630 651 660 682 693 720 744 770 792 840 868 880 924 930 990 1,008 1,023 1,085 1,116 1,155 1,232 1,240 1,260 1,302 1,320 1,364 1,386 1,395 1,488 1,540 1,584 1,680 1,705 1,736 1,848 1,860 1,953 1,980 2,046 2,170 2,232 2,310 2,387 2,480 2,520 2,604 2,640 2,728 2,772 2,790 3,069 3,080 3,255 3,410 3,465 3,472 3,696 3,720 3,906 3,960 4,092 4,340 4,464 4,620 4,774 5,040 5,115 5,208 5,456 5,544 5,580 6,138 6,160 6,510 6,820 6,930 7,161 7,440 7,812 7,920 8,184 8,680 9,240 9,548 9,765 10,230 10,416 11,088 11,160 11,935 12,276 13,020 13,640 13,860 14,322 15,345 15,624 16,368 17,360 18,480 19,096 19,530 20,460 21,483 22,320 23,870 24,552 26,040 27,280 27,720 28,644 30,690 31,248 35,805 38,192 39,060 40,920 42,966 47,740 49,104 52,080 55,440 57,288 61,380 71,610 78,120 81,840 85,932 95,480 107,415 114,576 122,760 143,220 156,240 171,864 190,960 214,830 245,520 286,440 343,728 429,660 572,880 859,320 and 1,718,640, with no remainder.

Since 1,718,640 cannot be divided by just 1 and 1,718,640, 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).