GCF of 16 and 36 is the largest possible number that divides 16 and 36 exactly without any remainder. The factors of 16 and 36 are 1, 2, 4, 8, 16 and 1, 2, 3, 4, 6, 9, 12, 18, 36 respectively. There are 3 commonly used methods to find the GCF of 16 and 36 - Euclidean algorithm, long division, and prime factorization.

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1.GCF of 16 and 36
2.List of Methods
3.Solved Examples
4.FAQs

Answer: GCF of 16 and 36 is 4.

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Explanation:

The GCF of two non-zero integers, x(16) and y(36), is the greatest positive integer m(4) that divides both x(16) and y(36) without any remainder.


The methods to find the GCF of 16 and 36 are explained below.

Listing Common FactorsPrime Factorization MethodLong Division Method

GCF of 16 and 36 by Listing Common Factors

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Factors of 16: 1, 2, 4, 8, 16Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36

There are 3 common factors of 16 and 36, that are 1, 2, and 4. Therefore, the greatest common factor of 16 and 36 is 4.

GCF of 16 and 36 by Prime Factorization

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Prime factorization of 16 and 36 is (2 × 2 × 2 × 2) and (2 × 2 × 3 × 3) respectively. As visible, 16 and 36 have common prime factors. Hence, the GCF of 16 and 36 is 2 × 2 = 4.

GCF of 16 and 36 by Long Division

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GCF of 16 and 36 is the divisor that we get when the remainder becomes 0 after doing long division repeatedly.

Step 2: Since the remainder ≠ 0, we will divide the divisor of step 1 (16) by the remainder (4).Step 3: Repeat this process until the remainder = 0.

The corresponding divisor (4) is the GCF of 16 and 36.

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GCF of 16 and 36 Examples


Example 1: The product of two numbers is 576. If their GCF is 4, what is their LCM?

Solution:

Given: GCF = 4 and product of numbers = 576∵ LCM × GCF = product of numbers⇒ LCM = Product/GCF = 576/4Therefore, the LCM is 144.


Example 2: For two numbers, GCF = 4 and LCM = 144. If one number is 36, find the other number.

Solution:

Given: GCF (z, 36) = 4 and LCM (z, 36) = 144∵ GCF × LCM = 36 × (z)⇒ z = (GCF × LCM)/36⇒ z = (4 × 144)/36⇒ z = 16Therefore, the other number is 16.


Example 3: Find the greatest number that divides 16 and 36 exactly.

Solution:

The greatest number that divides 16 and 36 exactly is their greatest common factor, i.e. GCF of 16 and 36.⇒ Factors of 16 and 36:

Factors of 16 = 1, 2, 4, 8, 16Factors of 36 = 1, 2, 3, 4, 6, 9, 12, 18, 36

Therefore, the GCF of 16 and 36 is 4.


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FAQs on GCF of 16 and 36

What is the GCF of 16 and 36?

The GCF of 16 and 36 is 4. To calculate the greatest common factor (GCF) of 16 and 36, we need to factor each number (factors of 16 = 1, 2, 4, 8, 16; factors of 36 = 1, 2, 3, 4, 6, 9, 12, 18, 36) and choose the greatest factor that exactly divides both 16 and 36, i.e., 4.

How to Find the GCF of 16 and 36 by Prime Factorization?

To find the GCF of 16 and 36, we will find the prime factorization of the given numbers, i.e. 16 = 2 × 2 × 2 × 2; 36 = 2 × 2 × 3 × 3.⇒ Since 2, 2 are common terms in the prime factorization of 16 and 36. Hence, GCF(16, 36) = 2 × 2 = 4☛ Prime Number

If the GCF of 36 and 16 is 4, Find its LCM.

GCF(36, 16) × LCM(36, 16) = 36 × 16Since the GCF of 36 and 16 = 4⇒ 4 × LCM(36, 16) = 576Therefore, LCM = 144☛ Greatest Common Factor Calculator

How to Find the GCF of 16 and 36 by Long Division Method?

To find the GCF of 16, 36 using long division method, 36 is divided by 16. The corresponding divisor (4) when remainder equals 0 is taken as GCF.

What are the Methods to Find GCF of 16 and 36?

There are three commonly used methods to find the GCF of 16 and 36.

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By Long DivisionBy Prime FactorizationBy Listing Common Factors

What is the Relation Between LCM and GCF of 16, 36?

The following equation can be used to express the relation between LCM and GCF of 16 and 36, i.e. GCF × LCM = 16 × 36.