Q: Is 13,221,120 a Composite Number?

Why is 13,221,120 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 13,221,120 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 64 66 80 88 96 110 120 128 132 160 165 176 192 220 240 256 264 313 320 330 352 384 440 480 528 626 640 660 704 768 880 939 960 1,056 1,252 1,280 1,320 1,408 1,565 1,760 1,878 1,920 2,112 2,504 2,640 2,816 3,130 3,443 3,520 3,756 3,840 4,224 4,695 5,008 5,280 6,260 6,886 7,040 7,512 8,448 9,390 10,016 10,329 10,560 12,520 13,772 14,080 15,024 17,215 18,780 20,032 20,658 21,120 25,040 27,544 30,048 34,430 37,560 40,064 41,316 42,240 50,080 51,645 55,088 60,096 68,860 75,120 80,128 82,632 100,160 103,290 110,176 120,192 137,720 150,240 165,264 200,320 206,580 220,352 240,384 275,440 300,480 330,528 400,640 413,160 440,704 550,880 600,960 661,056 826,320 881,408 1,101,760 1,201,920 1,322,112 1,652,640 2,203,520 2,644,224 3,305,280 4,407,040 6,610,560 and 13,221,120, with no remainder.

Since 13,221,120 cannot be divided by just 1 and 13,221,120, 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).