Q: Is 812,520 a Composite Number?

Why is 812,520 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 812,520 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 37 40 45 60 61 72 74 90 111 120 122 148 180 183 185 222 244 296 305 333 360 366 370 444 488 549 555 610 666 732 740 888 915 1,098 1,110 1,220 1,332 1,464 1,480 1,665 1,830 2,196 2,220 2,257 2,440 2,664 2,745 3,330 3,660 4,392 4,440 4,514 5,490 6,660 6,771 7,320 9,028 10,980 11,285 13,320 13,542 18,056 20,313 21,960 22,570 27,084 33,855 40,626 45,140 54,168 67,710 81,252 90,280 101,565 135,420 162,504 203,130 270,840 406,260 and 812,520, with no remainder.

Since 812,520 cannot be divided by just 1 and 812,520, 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).