Q: Is 2,128,750 a Composite Number?

Why is 2,128,750 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 2,128,750 can be evenly divided by 1 2 5 10 13 25 26 50 65 125 130 131 250 262 325 625 650 655 1,250 1,310 1,625 1,703 3,250 3,275 3,406 6,550 8,125 8,515 16,250 16,375 17,030 32,750 42,575 81,875 85,150 163,750 212,875 425,750 1,064,375 and 2,128,750, with no remainder.

Since 2,128,750 cannot be divided by just 1 and 2,128,750, 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).