Q: Is 21,052,608 a Composite Number?

Why is 21,052,608 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 21,052,608 can be evenly divided by 1 2 3 4 6 8 12 16 19 24 29 32 38 48 57 58 64 76 87 96 114 116 152 174 192 199 228 232 304 348 398 456 464 551 597 608 696 796 912 928 1,102 1,194 1,216 1,392 1,592 1,653 1,824 1,856 2,204 2,388 2,784 3,184 3,306 3,648 3,781 4,408 4,776 5,568 5,771 6,368 6,612 7,562 8,816 9,552 11,343 11,542 12,736 13,224 15,124 17,313 17,632 19,104 22,686 23,084 26,448 30,248 34,626 35,264 38,208 45,372 46,168 52,896 60,496 69,252 90,744 92,336 105,792 109,649 120,992 138,504 181,488 184,672 219,298 241,984 277,008 328,947 362,976 369,344 438,596 554,016 657,894 725,952 877,192 1,108,032 1,315,788 1,754,384 2,631,576 3,508,768 5,263,152 7,017,536 10,526,304 and 21,052,608, with no remainder.

Since 21,052,608 cannot be divided by just 1 and 21,052,608, 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).