Q: Is 865,080 a Composite Number?

Why is 865,080 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 865,080 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 89 90 108 120 135 162 178 180 216 243 267 270 324 356 360 405 445 486 534 540 648 712 801 810 890 972 1,068 1,080 1,215 1,335 1,602 1,620 1,780 1,944 2,136 2,403 2,430 2,670 3,204 3,240 3,560 4,005 4,806 4,860 5,340 6,408 7,209 8,010 9,612 9,720 10,680 12,015 14,418 16,020 19,224 21,627 24,030 28,836 32,040 36,045 43,254 48,060 57,672 72,090 86,508 96,120 108,135 144,180 173,016 216,270 288,360 432,540 and 865,080, with no remainder.

Since 865,080 cannot be divided by just 1 and 865,080, 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).