Q: Is 2,125,125 a Composite Number?

Why is 2,125,125 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 2,125,125 can be evenly divided by 1 3 5 9 15 25 45 75 125 225 375 1,125 1,889 5,667 9,445 17,001 28,335 47,225 85,005 141,675 236,125 425,025 708,375 and 2,125,125, with no remainder.

Since 2,125,125 cannot be divided by just 1 and 2,125,125, 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).