Q: Is 12,666,720 a Composite Number?

Why is 12,666,720 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 12,666,720 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 132 160 165 176 220 240 264 330 352 440 480 528 660 880 1,056 1,320 1,760 2,399 2,640 4,798 5,280 7,197 9,596 11,995 14,394 19,192 23,990 26,389 28,788 35,985 38,384 47,980 52,778 57,576 71,970 76,768 79,167 95,960 105,556 115,152 131,945 143,940 158,334 191,920 211,112 230,304 263,890 287,880 316,668 383,840 395,835 422,224 527,780 575,760 633,336 791,670 844,448 1,055,560 1,151,520 1,266,672 1,583,340 2,111,120 2,533,344 3,166,680 4,222,240 6,333,360 and 12,666,720, with no remainder.

Since 12,666,720 cannot be divided by just 1 and 12,666,720, 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).