Q: Is 21,717,036 a Composite Number?

Why is 21,717,036 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 21,717,036 can be evenly divided by 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 173 198 317 346 396 519 634 692 951 1,038 1,268 1,557 1,902 1,903 2,076 2,853 3,114 3,487 3,804 3,806 5,706 5,709 6,228 6,974 7,612 10,461 11,412 11,418 13,948 17,127 20,922 22,836 31,383 34,254 41,844 54,841 62,766 68,508 109,682 125,532 164,523 219,364 329,046 493,569 603,251 658,092 987,138 1,206,502 1,809,753 1,974,276 2,413,004 3,619,506 5,429,259 7,239,012 10,858,518 and 21,717,036, with no remainder.

Since 21,717,036 cannot be divided by just 1 and 21,717,036, 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).