Q: Is 20,873,520 a Composite Number?

Why is 20,873,520 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 20,873,520 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 53 60 72 80 90 106 120 144 159 180 212 240 265 318 360 424 477 530 547 636 720 795 848 954 1,060 1,094 1,272 1,590 1,641 1,908 2,120 2,188 2,385 2,544 2,735 3,180 3,282 3,816 4,240 4,376 4,770 4,923 5,470 6,360 6,564 7,632 8,205 8,752 9,540 9,846 10,940 12,720 13,128 16,410 19,080 19,692 21,880 24,615 26,256 28,991 32,820 38,160 39,384 43,760 49,230 57,982 65,640 78,768 86,973 98,460 115,964 131,280 144,955 173,946 196,920 231,928 260,919 289,910 347,892 393,840 434,865 463,856 521,838 579,820 695,784 869,730 1,043,676 1,159,640 1,304,595 1,391,568 1,739,460 2,087,352 2,319,280 2,609,190 3,478,920 4,174,704 5,218,380 6,957,840 10,436,760 and 20,873,520, with no remainder.

Since 20,873,520 cannot be divided by just 1 and 20,873,520, 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).