Q: Is 159,840 a Composite Number?

Why is 159,840 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 159,840 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 37 40 45 48 54 60 72 74 80 90 96 108 111 120 135 144 148 160 180 185 216 222 240 270 288 296 333 360 370 432 444 480 540 555 592 666 720 740 864 888 999 1,080 1,110 1,184 1,332 1,440 1,480 1,665 1,776 1,998 2,160 2,220 2,664 2,960 3,330 3,552 3,996 4,320 4,440 4,995 5,328 5,920 6,660 7,992 8,880 9,990 10,656 13,320 15,984 17,760 19,980 26,640 31,968 39,960 53,280 79,920 and 159,840, with no remainder.

Since 159,840 cannot be divided by just 1 and 159,840, 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).