Factors the 18 are the numbers that provide the original number 18 when multiplied together in pairs. Basically, the determinants are the number that divide the original number completely. The pair variable of 18 is a pair of numbers on multiplication, causing the initial number. The pair variable of 18 deserve to be positive as well as negative, however it can not be a decimal or fraction. For example, the pair variable of 18 is composed as (1, 18) or (-1, -18). If us multiply a pair of an adverse numbers, such together multiplying -1 and also -18, outcomes in an original number 18. In this article, we are going to discover what space the factors of 18, pair factors and also the prime determinants of 18 utilizing the element factorization technique with countless solved examples.

You are watching: What are the prime numbers of 18

Table that Contents:

What room the components of 18?

The determinants of 18 space the numbers that division 18 fully without leaving a remainder value. In various other words, the numbers which are multiplied together leading to the number 18 room the determinants of 18. Together 18 is an also composite number, it has an ext factors other than 1 and 18. Hence, the factors of 18 are 1, 2, 3, 6, 9 and 18, and its an unfavorable factors room -1, -2, -3, -6, -9 and -18.

 Factors of 18: 1, 2, 3, 6, 9 and also 18.Prime administer of 18: 2 × 3 × 3 or 2 × 32.

Pair factors of 18

The numbers which are multiplied together resulting in 18 is dubbed the pair factor of 18. As discussed above, the pair factors of 18 have the right to be confident or negative. Thus, the positive and negative pair determinants of 18 are provided below:

Positive Pair components of 18:

 Positive factors of 18 Positive Pair components of 18 1 × 18 (1, 18) 2 × 9 (2, 9) 3 × 6 (3, 6)

Negative Pair aspect of 18:

 Negative determinants of 18 Negative Pair determinants of 18 -1 × -18 (-1, -18) -2 × -9 (-2, -9) -3 × -6 (-3, -6)

Hence, the positive pair components of 18 are (1, 18), (2, 9) and also (3, 6). Similarly, the an unfavorable pair determinants of 18 space (-1, -18), (-2, -9), (-3, -6).

Factors the 18 by division Method

In the division method, the determinants of 18 are found by splitting 18 by different integers. If the integers divide 18 exactly and also leave the remainder zero, climate those integers are the factors of 18. Now, let united state start dividing 18 through 1 and proceed v the various integers.

18/1 = 18 (Factor is 1 and Remainder is 0)18/2 = 9 (Factor is 2 and Remainder is 0)18/3 = 6 (Factor is 3 and Remainder is 0)18/6 = 3 (Factor is 6 and also Remainder is 0)18/9 = 2 (Factor is 9 and also Remainder is 0)18/18 = 1 (Factor is 18 and Remainder is 0)

If we division 18 by any kind of numbers other than 1, 2, 3, 6, 9 and 18, it pipeline a remainder. Thus, the factors of 18 are 1, 2, 3, 6, 9 and also 18.

The number 18 is a composite number. Currently let us discover the prime components of it.

The first step is to division the number 18 through the the smallest prime factor,i.e. 2.

18 ÷ 2 = 9

Now, inspect whether 9 can be further split by 2 or not.

9 ÷ 2 = 4.5

It offers a fractional value. But the components should it is in a entirety number.

Therefore, us will move to the next prime number, i.e. 3.

Now, divide 9 by 3.

9 ÷ 3 = 3

Again divide 3 by 3.

3 ÷ 3 = 1

 Links regarded Factors Factors and also Multiples Factor that 36 Factor Theorem Prime Factors

Examples

Example 1:

Find the typical factors that 18 and 17.

Solution:

The factors of 18 are 1, 2, 3, 6, 9 and 18.

The components of 17 room 1 and 17.

As 17 is a element number, the common factor that 18 and 17 is 1.

Example 2:

Find the common factors the 18 and also 19.

Solution:

Factors the 18 = 1, 2, 3, 6, 9 and 18.

Factors of 19 = 1 and 19.

The common factor the 18 and also 19 is 1, as 19 is a prime number.

Example 3:

Find the usual factors of 18 and 9.

Solution:

The determinants of 18 are 1, 2, 3, 6, 9 and 18.

The factors of 9 space 1, 3 and 9.

Therefore, the common factors the 18 and also 9 are 1, 3 and also 9.

Learn the factorization of much more numbers right here with united state in BYJU’S and additionally download BYJU’S – The Learning application for a much better experience.

See more: How To Delete Save Data On Pokemon Omega Ruby, How Do I Delete My Oras Save Data

Frequently Asked questions on components of 18

What space the components of 18?

The components of 18 space 1, 2, 3, 6, 9 and 18.