Q: Is 21,232,422 a Composite Number?

Why is 21,232,422 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 21,232,422 can be evenly divided by 1 2 3 6 9 17 18 27 34 51 54 101 102 153 202 229 303 306 458 459 606 687 909 918 1,374 1,717 1,818 2,061 2,727 3,434 3,893 4,122 5,151 5,454 6,183 7,786 10,302 11,679 12,366 15,453 23,129 23,358 30,906 35,037 46,258 46,359 69,387 70,074 92,718 105,111 138,774 208,161 210,222 393,193 416,322 624,483 786,386 1,179,579 1,248,966 2,359,158 3,538,737 7,077,474 10,616,211 and 21,232,422, with no remainder.

Since 21,232,422 cannot be divided by just 1 and 21,232,422, 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).