Q: Is 21,472,704 a Composite Number?

Why is 21,472,704 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 21,472,704 can be evenly divided by 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 132 144 176 192 198 264 288 352 396 528 576 704 792 1,056 1,584 2,112 3,168 3,389 6,336 6,778 10,167 13,556 20,334 27,112 30,501 37,279 40,668 54,224 61,002 74,558 81,336 108,448 111,837 122,004 149,116 162,672 216,896 223,674 244,008 298,232 325,344 335,511 447,348 488,016 596,464 650,688 671,022 894,696 976,032 1,192,928 1,342,044 1,789,392 1,952,064 2,385,856 2,684,088 3,578,784 5,368,176 7,157,568 10,736,352 and 21,472,704, with no remainder.

Since 21,472,704 cannot be divided by just 1 and 21,472,704, 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).