Q: Is 21,311,202 a Composite Number?

Why is 21,311,202 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 21,311,202 can be evenly divided by 1 2 3 6 11 22 23 33 46 66 69 101 138 139 202 253 278 303 417 506 606 759 834 1,111 1,518 1,529 2,222 2,323 3,058 3,197 3,333 4,587 4,646 6,394 6,666 6,969 9,174 9,591 13,938 14,039 19,182 25,553 28,078 35,167 42,117 51,106 70,334 76,659 84,234 105,501 153,318 154,429 211,002 308,858 322,897 463,287 645,794 926,574 968,691 1,937,382 3,551,867 7,103,734 10,655,601 and 21,311,202, with no remainder.

Since 21,311,202 cannot be divided by just 1 and 21,311,202, 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).