Q: Is 1,023,840 a Composite Number?

Why is 1,023,840 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 1,023,840 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 79 80 81 90 96 108 120 135 144 158 160 162 180 216 237 240 270 288 316 324 360 395 405 432 474 480 540 632 648 711 720 790 810 864 948 1,080 1,185 1,264 1,296 1,422 1,440 1,580 1,620 1,896 2,133 2,160 2,370 2,528 2,592 2,844 3,160 3,240 3,555 3,792 4,266 4,320 4,740 5,688 6,320 6,399 6,480 7,110 7,584 8,532 9,480 10,665 11,376 12,640 12,798 12,960 14,220 17,064 18,960 21,330 22,752 25,596 28,440 31,995 34,128 37,920 42,660 51,192 56,880 63,990 68,256 85,320 102,384 113,760 127,980 170,640 204,768 255,960 341,280 511,920 and 1,023,840, with no remainder.

Since 1,023,840 cannot be divided by just 1 and 1,023,840, 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).