Q: Is 870,840 a Composite Number?

Why is 870,840 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 870,840 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 41 45 59 60 72 82 90 118 120 123 164 177 180 205 236 246 295 328 354 360 369 410 472 492 531 590 615 708 738 820 885 984 1,062 1,180 1,230 1,416 1,476 1,640 1,770 1,845 2,124 2,360 2,419 2,460 2,655 2,952 3,540 3,690 4,248 4,838 4,920 5,310 7,080 7,257 7,380 9,676 10,620 12,095 14,514 14,760 19,352 21,240 21,771 24,190 29,028 36,285 43,542 48,380 58,056 72,570 87,084 96,760 108,855 145,140 174,168 217,710 290,280 435,420 and 870,840, with no remainder.

Since 870,840 cannot be divided by just 1 and 870,840, 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).