Q: Is 868,140 a Composite Number?

Why is 868,140 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 868,140 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 52 53 60 63 65 70 78 84 90 91 105 106 117 126 130 140 156 159 180 182 195 210 212 234 252 260 265 273 315 318 364 371 390 420 455 468 477 530 546 585 630 636 689 742 780 795 819 910 954 1,060 1,092 1,113 1,170 1,260 1,365 1,378 1,484 1,590 1,638 1,820 1,855 1,908 2,067 2,226 2,340 2,385 2,730 2,756 3,180 3,276 3,339 3,445 3,710 4,095 4,134 4,452 4,770 4,823 5,460 5,565 6,201 6,678 6,890 7,420 8,190 8,268 9,540 9,646 10,335 11,130 12,402 13,356 13,780 14,469 16,380 16,695 19,292 20,670 22,260 24,115 24,804 28,938 31,005 33,390 41,340 43,407 48,230 57,876 62,010 66,780 72,345 86,814 96,460 124,020 144,690 173,628 217,035 289,380 434,070 and 868,140, with no remainder.

Since 868,140 cannot be divided by just 1 and 868,140, 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).