The products of a square of a prime and a prime, like 12.
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2, 6 and 18 are numbers that are multiples of 2 and factors of 18.2, 6 and 18
All numbers have factors. Some factors are prime numbers, some are composite numbers, one is neither. The factors of 12 are 1, 2, 3, 4, 6, 12 Since 4, 6 and 12 are composite numbers, they are the composite factors of 12.
All numbers have factors. Some numbers have some of the same factors as other numbers. These are common factors.
Numbers with exactly 6 factors are called highly composite numbers. These numbers have a total of 6 factors, including 1 and the number itself. Highly composite numbers are typically of the form p^2 * q, where p and q are prime numbers. Examples of numbers with 6 factors include 12 (2^2 * 3) and 24 (2^3 * 3).
All nonzero numbers have factors. Some numbers have some of the same factors as other numbers. These are known as common factors.Common factors are factors that two or more numbers have in common. These are factors that are the same. All integers will have 1 as a common factor. Some integers will have additional common factors. For example, 4 and 6 have as their common factors 1 and 2.Numbers that evenly divide one or more numbersEx: 2 is a common factor for the numbers 4 and 6