Q: Is 511,920 a Composite Number?

Why is 511,920 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 511,920 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 79 80 81 90 108 120 135 144 158 162 180 216 237 240 270 316 324 360 395 405 432 474 540 632 648 711 720 790 810 948 1,080 1,185 1,264 1,296 1,422 1,580 1,620 1,896 2,133 2,160 2,370 2,844 3,160 3,240 3,555 3,792 4,266 4,740 5,688 6,320 6,399 6,480 7,110 8,532 9,480 10,665 11,376 12,798 14,220 17,064 18,960 21,330 25,596 28,440 31,995 34,128 42,660 51,192 56,880 63,990 85,320 102,384 127,980 170,640 255,960 and 511,920, with no remainder.

Since 511,920 cannot be divided by just 1 and 511,920, 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).