Q: Is 2,147,418 a Composite Number?

Why is 2,147,418 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 2,147,418 can be evenly divided by 1 2 3 6 7 9 13 14 18 19 21 23 26 27 38 39 42 46 54 57 63 69 78 91 114 117 126 133 138 161 171 182 189 207 234 247 266 273 299 322 342 351 378 399 414 437 483 494 513 546 598 621 702 741 798 819 874 897 966 1,026 1,197 1,242 1,311 1,449 1,482 1,638 1,729 1,794 2,093 2,223 2,394 2,457 2,622 2,691 2,898 3,059 3,458 3,591 3,933 4,186 4,347 4,446 4,914 5,187 5,382 5,681 6,118 6,279 6,669 7,182 7,866 8,073 8,694 9,177 10,374 11,362 11,799 12,558 13,338 15,561 16,146 17,043 18,354 18,837 23,598 27,531 31,122 34,086 37,674 39,767 46,683 51,129 55,062 56,511 79,534 82,593 93,366 102,258 113,022 119,301 153,387 165,186 238,602 306,774 357,903 715,806 1,073,709 and 2,147,418, with no remainder.

Since 2,147,418 cannot be divided by just 1 and 2,147,418, 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).