Q: Is 1,331,253 a Composite Number?

Why is 1,331,253 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 1,331,253 can be evenly divided by 1 3 7 9 11 17 21 33 51 63 77 99 113 119 153 187 231 339 357 561 693 791 1,017 1,071 1,243 1,309 1,683 1,921 2,373 3,729 3,927 5,763 7,119 8,701 11,187 11,781 13,447 17,289 21,131 26,103 40,341 63,393 78,309 121,023 147,917 190,179 443,751 and 1,331,253, with no remainder.

Since 1,331,253 cannot be divided by just 1 and 1,331,253, 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).