Q: Is 2,138,994 a Composite Number?

Why is 2,138,994 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 2,138,994 can be evenly divided by 1 2 3 6 9 11 13 18 22 26 27 33 39 54 66 78 99 117 143 198 234 277 286 297 351 429 554 594 702 831 858 1,287 1,662 2,493 2,574 3,047 3,601 3,861 4,986 6,094 7,202 7,479 7,722 9,141 10,803 14,958 18,282 21,606 27,423 32,409 39,611 54,846 64,818 79,222 82,269 97,227 118,833 164,538 194,454 237,666 356,499 712,998 1,069,497 and 2,138,994, with no remainder.

Since 2,138,994 cannot be divided by just 1 and 2,138,994, 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).