Q: Is 1,378,146 a Composite Number?

Why is 1,378,146 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 1,378,146 can be evenly divided by 1 2 3 6 7 11 14 19 21 22 33 38 42 57 66 77 114 133 154 157 209 231 266 314 399 418 462 471 627 798 942 1,099 1,254 1,463 1,727 2,198 2,926 2,983 3,297 3,454 4,389 5,181 5,966 6,594 8,778 8,949 10,362 12,089 17,898 20,881 24,178 32,813 36,267 41,762 62,643 65,626 72,534 98,439 125,286 196,878 229,691 459,382 689,073 and 1,378,146, with no remainder.

Since 1,378,146 cannot be divided by just 1 and 1,378,146, 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).