Q: Is 21,442,032 a Composite Number?

Why is 21,442,032 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 21,442,032 can be evenly divided by 1 2 3 4 6 8 9 12 16 17 18 19 24 34 36 38 48 51 57 68 72 76 102 114 136 144 152 153 171 204 228 272 304 306 323 342 408 456 461 612 646 684 816 912 922 969 1,224 1,292 1,368 1,383 1,844 1,938 2,448 2,584 2,736 2,766 2,907 3,688 3,876 4,149 5,168 5,532 5,814 7,376 7,752 7,837 8,298 8,759 11,064 11,628 15,504 15,674 16,596 17,518 22,128 23,256 23,511 26,277 31,348 33,192 35,036 46,512 47,022 52,554 62,696 66,384 70,072 70,533 78,831 94,044 105,108 125,392 140,144 141,066 148,903 157,662 188,088 210,216 282,132 297,806 315,324 376,176 420,432 446,709 564,264 595,612 630,648 893,418 1,128,528 1,191,224 1,261,296 1,340,127 1,786,836 2,382,448 2,680,254 3,573,672 5,360,508 7,147,344 10,721,016 and 21,442,032, with no remainder.

Since 21,442,032 cannot be divided by just 1 and 21,442,032, 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).