Q: Is 21,335,600 a Composite Number?

Why is 21,335,600 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 21,335,600 can be evenly divided by 1 2 4 5 8 10 11 13 16 20 22 25 26 40 44 50 52 55 65 80 88 100 104 110 130 143 176 200 208 220 260 275 286 325 373 400 440 520 550 572 650 715 746 880 1,040 1,100 1,144 1,300 1,430 1,492 1,865 2,200 2,288 2,600 2,860 2,984 3,575 3,730 4,103 4,400 4,849 5,200 5,720 5,968 7,150 7,460 8,206 9,325 9,698 11,440 14,300 14,920 16,412 18,650 19,396 20,515 24,245 28,600 29,840 32,824 37,300 38,792 41,030 48,490 53,339 57,200 65,648 74,600 77,584 82,060 96,980 102,575 106,678 121,225 149,200 164,120 193,960 205,150 213,356 242,450 266,695 328,240 387,920 410,300 426,712 484,900 533,390 820,600 853,424 969,800 1,066,780 1,333,475 1,641,200 1,939,600 2,133,560 2,666,950 4,267,120 5,333,900 10,667,800 and 21,335,600, with no remainder.

Since 21,335,600 cannot be divided by just 1 and 21,335,600, 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).