Q: Is 1,606,374 a Composite Number?

Why is 1,606,374 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 1,606,374 can be evenly divided by 1 2 3 6 7 9 11 14 18 19 21 22 33 38 42 57 61 63 66 77 99 114 122 126 133 154 171 183 198 209 231 266 342 366 399 418 427 462 549 627 671 693 798 854 1,098 1,159 1,197 1,254 1,281 1,342 1,386 1,463 1,881 2,013 2,318 2,394 2,562 2,926 3,477 3,762 3,843 4,026 4,389 4,697 6,039 6,954 7,686 8,113 8,778 9,394 10,431 12,078 12,749 13,167 14,091 16,226 20,862 24,339 25,498 26,334 28,182 38,247 42,273 48,678 73,017 76,494 84,546 89,243 114,741 146,034 178,486 229,482 267,729 535,458 803,187 and 1,606,374, with no remainder.

Since 1,606,374 cannot be divided by just 1 and 1,606,374, 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).