Q: Is 20,474,664 a Composite Number?

Why is 20,474,664 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 20,474,664 can be evenly divided by 1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 51 56 67 68 84 102 107 119 134 136 168 201 204 214 238 268 321 357 402 408 428 469 476 536 642 714 749 804 856 938 952 1,139 1,284 1,407 1,428 1,498 1,608 1,819 1,876 2,247 2,278 2,568 2,814 2,856 2,996 3,417 3,638 3,752 4,494 4,556 5,457 5,628 5,992 6,834 7,169 7,276 7,973 8,988 9,112 10,914 11,256 12,733 13,668 14,338 14,552 15,946 17,976 21,507 21,828 23,919 25,466 27,336 28,676 31,892 38,199 43,014 43,656 47,838 50,183 50,932 57,352 63,784 76,398 86,028 95,676 100,366 101,864 121,873 150,549 152,796 172,056 191,352 200,732 243,746 301,098 305,592 365,619 401,464 487,492 602,196 731,238 853,111 974,984 1,204,392 1,462,476 1,706,222 2,559,333 2,924,952 3,412,444 5,118,666 6,824,888 10,237,332 and 20,474,664, with no remainder.

Since 20,474,664 cannot be divided by just 1 and 20,474,664, 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).