Q: Is 6,815,718 a Composite Number?

Why is 6,815,718 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 6,815,718 can be evenly divided by 1 2 3 6 7 9 13 14 18 19 21 26 27 38 39 42 54 57 63 73 78 91 114 117 126 133 146 171 182 189 219 234 247 266 273 342 351 378 399 438 494 511 513 546 657 702 741 798 819 949 1,022 1,026 1,197 1,314 1,387 1,482 1,533 1,638 1,729 1,898 1,971 2,223 2,394 2,457 2,774 2,847 3,066 3,458 3,591 3,942 4,161 4,446 4,599 4,914 5,187 5,694 6,643 6,669 7,182 8,322 8,541 9,198 9,709 10,374 12,483 13,286 13,338 13,797 15,561 17,082 18,031 19,418 19,929 24,966 25,623 27,594 29,127 31,122 36,062 37,449 39,858 46,683 51,246 54,093 58,254 59,787 74,898 87,381 93,366 108,186 119,574 126,217 162,279 174,762 179,361 252,434 262,143 324,558 358,722 378,651 486,837 524,286 757,302 973,674 1,135,953 2,271,906 3,407,859 and 6,815,718, with no remainder.

Since 6,815,718 cannot be divided by just 1 and 6,815,718, 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).