The factors of 16 are the numbers that produce the result as 16 when two numbers are multiplied together. For example, the pair factors of 16 are written as (1,16) and (-1,-16). When we multiply the pair of negative factors, the result should give the original number, such as multiplying -1 × -16, we get 16. To find the factors of a number, 16, we will use the factorization method.

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In the article, we are going to learn the pair factors and the prime factors of 16 with complete explanation.

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What are the Factors of 16?

The factors of 16 are the numbers that divide the number 16 completely without leaving any remainder. As the number 16 is a composite number, it has more than one factor. The factors of 16 are 1, 2, 4, 8 and 16. Similarly, the negative factors of 16 are -1, -2, -4, -8 and -16.

Factors of 16: 1, 2, 4, 8 and 16.

Prime Factorization of 16: 2 × 2 × 2 × 2 or 24

Pair Factors of 16

To find the pair factors of 16, multiply the two numbers in a pair to get the original number as 16, such numbers are as follows

Positive Pair FactorsNegative Pair Factors
1 × 16 = 16 ⇒ (1, 16)-1 × -16 = 16 ⇒ (-1, -16)
2 × 8 = 16 ⇒ (2, 8)-2 × -8 = 16 ⇒ (-2, -8)
4 × 4 = 16 ⇒ (4, 4) -4 × -4 = 16 ⇒ (-4, -4)

How to calculate the Factors of 16?

Go through the following steps to calculate the factors of 16.

First, write the number 16.Find the two numbers, which gives the result as 16 under the multiplication, say 2 and 8, such as 2 × 8 = 16.We know that 2 is a prime number that has only two factors, i.e., 1 and the number itself (1 and 2). So, it cannot be further factorized.Look at the number 8, which is a composite number but not a prime number. So it can be further factorized.8 can be factored as 2 x 2 x 2 x 1.Therefore, the factorization of 16 is written as, 16 = 2 × 2 × 2 × 2 x 1.

Prime Factors of 16 By Division Method

The number 16 is a composite and it must have prime factors. Now let us know how to calculate the prime factors of 16.

The first step is to divide the number 16 with the smallest prime number, say 2.16 ÷ 2 = 8Again divide 8 by 2 and the process goes on.8 ÷ 2 = 44 ÷ 2 = 22 ÷ 2 = 1

Finally, we received the number 1 at the end of the division process. So that we cannot proceed further. So, the prime factors of 16 are written as 2 × 2 × 2 x 2 or 24, where 2 is a prime number.

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