Q: Is 1,918,080 a Composite Number?

Why is 1,918,080 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 1,918,080 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 64 72 74 80 81 90 96 108 111 120 128 135 144 148 160 162 180 185 192 216 222 240 270 288 296 320 324 333 360 370 384 405 432 444 480 540 555 576 592 640 648 666 720 740 810 864 888 960 999 1,080 1,110 1,152 1,184 1,296 1,332 1,440 1,480 1,620 1,665 1,728 1,776 1,920 1,998 2,160 2,220 2,368 2,592 2,664 2,880 2,960 2,997 3,240 3,330 3,456 3,552 3,996 4,320 4,440 4,736 4,995 5,184 5,328 5,760 5,920 5,994 6,480 6,660 7,104 7,992 8,640 8,880 9,990 10,368 10,656 11,840 11,988 12,960 13,320 14,208 14,985 15,984 17,280 17,760 19,980 21,312 23,680 23,976 25,920 26,640 29,970 31,968 35,520 39,960 42,624 47,952 51,840 53,280 59,940 63,936 71,040 79,920 95,904 106,560 119,880 127,872 159,840 191,808 213,120 239,760 319,680 383,616 479,520 639,360 959,040 and 1,918,080, with no remainder.

Since 1,918,080 cannot be divided by just 1 and 1,918,080, 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).