# 28 42

28 42

## GCF of 28 and 42

GCF of 28 and 42 is the largest possible number that divides 28 and 42 exactly without any residuum. The factors of 28 and 42 are one, 2, 4, seven, 14, 28 and 1, two, 3, half-dozen, 7, 14, 21, 42 respectively. There are 3 commonly used methods to find the GCF of 28 and 42 – prime factorization, long partitioning, and Euclidean algorithm.

 i. GCF of 28 and 42 2. List of Methods 3. Solved Examples 4. FAQs

## What is GCF of 28 and 42?

Respond:
GCF of 28 and 42 is 14. Explanation:

The GCF of two non-nothing integers, ten(28) and y(42), is the greatest positive integer m(14) that divides both x(28) and y(42) without any residue.

## Methods to Find GCF of 28 and 42

The methods to find the GCF of 28 and 42 are explained below.

• List Common Factors
• Long Partition Method
• Prime Factorization Method

### GCF of 28 and 42 past Listing Common Factors

• Factors of 28:
1, 2, 4, vii, 14, 28
• Factors of 42:
1, two, iii, vi, vii, 14, 21, 42

There are four common factors of 28 and 42, that are ane, 2, xiv, and 7. Therefore, the greatest common factor of 28 and 42 is 14.

### GCF of 28 and 42 past Long Division GCF of 28 and 42 is the divisor that we get when the residual becomes 0 later on doing long sectionalization repeatedly.

• Step 1:
Divide 42 (larger number) past 28 (smaller number).
• Footstep two:
Since the remainder ≠ 0, we volition split the divisor of step 1 (28) past the remainder (xiv).
• Step 3:
Repeat this procedure until the remainder = 0.
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The corresponding divisor (fourteen) is the GCF of 28 and 42.

### GCF of 28 and 42 past Prime Factorization Prime factorization of 28 and 42 is (2 × 2 × 7) and (2 × iii × seven) respectively. As visible, 28 and 42 have common prime number factors. Hence, the GCF of 28 and 42 is 2 × 7 = 14.

☛ Also Check:

• GCF of 35 and 63 = 7
• GCF of 7 and 14 = 7
• GCF of xiv and 49 = 7
• GCF of 28 and 49 = 7
• GCF of 35 and 50 = v
• GCF of 12 and 14 = 2
• GCF of 26 and 52 = 26

## FAQs on GCF of 28 and 42

### What is the GCF of 28 and 42?

The

GCF of 28 and 42 is fourteen
. To calculate the greatest common cistron (GCF) of 28 and 42, nosotros need to factor each number (factors of 28 = 1, 2, 4, vii, fourteen, 28; factors of 42 = 1, 2, iii, half dozen, 7, 14, 21, 42) and choose the greatest factor that exactly divides both 28 and 42, i.east., xiv.

### How to Discover the GCF of 28 and 42 past Long Partition Method?

To find the GCF of 28, 42 using long division method, 42 is divided by 28. The corresponding divisor (xiv) when balance equals 0 is taken as GCF.

### If the GCF of 42 and 28 is fourteen, Observe its LCM.

GCF(42, 28) × LCM(42, 28) = 42 × 28
Since the GCF of 42 and 28 = 14
⇒ 14 × LCM(42, 28) = 1176
Therefore, LCM = 84
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### What is the Relation Between LCM and GCF of 28, 42?

The following equation tin can be used to express the relation betwixt LCM (To the lowest degree Common Multiple) and GCF of 28 and 42, i.e. GCF × LCM = 28 × 42.

### How to Observe the GCF of 28 and 42 by Prime Factorization?

To find the GCF of 28 and 42, nosotros will detect the prime factorization of the given numbers, i.due east. 28 = ii × 2 × 7; 42 = ii × 3 × vii.
⇒ Since ii, 7 are common terms in the prime factorization of 28 and 42. Hence, GCF(28, 42) = two × 7 = 14
☛ Prime number Number

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### What are the Methods to Find GCF of 28 and 42?

There are three commonly used methods to notice the
GCF of 28 and 42.

• By Listing Common Factors
• Past Prime number Factorization
• By Long Partitioning

### 28 42

Source: https://www.cuemath.com/numbers/gcf-of-28-and-42/