A composite number is a positive whole number that can be divided evenly by a number other than itself and one. For example, 12 is a composite number, as it can be divided evenly by three and four. More »

A prime number is a whole number greater than one that is only divisible by one or itself without leaving a remainder. A composite number is a whole number greater than one that is evenly divisible by more than one and i... More »

The number one is neither prime nor composite. Prime numbers are positive integers greater than one that are evenly divisible only by themselves and one. Composite numbers are positive integers that have divisors other t... More »

A non-integer is a number that is not a whole number, a negative whole number or zero. It is any number not included in the integer set, which is expressed as { ... -3, -2, -1, 0, 1, 2, 3, ... }. More »

In math terms, a number's multiples are the product of that number and another whole number. For instance, multiples of seven include seven, 14 and 21 because these numbers result when seven is multiplied by 1, 2 and 3. More »

An integer is a positive or negative whole number. For example, 38, 4, 0, -12, -399 are all integers. Fractions, decimals and percents are not integers because they are not whole numbers. More »

The whole number 625 can be expressed as the fraction 625/1, because any number is equal to itself divided by 1. However, the decimal value 0.625 can be expressed as the fraction 5/8. More »