Q: Is 2,107,105 a Composite Number?

Why is 2,107,105 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 2,107,105 can be evenly divided by 1 5 7 11 13 35 55 65 77 91 143 385 421 455 715 1,001 2,105 2,947 4,631 5,005 5,473 14,735 23,155 27,365 32,417 38,311 60,203 162,085 191,555 301,015 421,421 and 2,107,105, with no remainder.

Since 2,107,105 cannot be divided by just 1 and 2,107,105, 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).