What is the GCF of 30 and 54? (Step-by-Step Solution)

What is the GCF of 30 and 54? : When solving math problems, especially when dealing with factors, the GCF (Greatest Common Factor) is an important concept to know. Let’s break it down simply to find the GCF of 30 and 54.

What is the GCF?

The Greatest Common Factor (GCF) is the largest number that divides two or more numbers without leaving a remainder. In this case, we’re looking for the greatest factor that both 30 and 54 share.

Steps to Find the GCF of 30 and 54

To find the GCF of 30 and 54, follow these simple steps:

Step 1: List the Factors of Each Number

First, list all the factors of both 30 and 54.

  • Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
  • Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54

Step 2: Identify the Common Factors

Now, identify the factors that are common to both 30 and 54.

  • Common factors: 1, 2, 3, 6

Step 3: Choose the Greatest Common Factor

The largest (or greatest) number in the list of common factors is the GCF.

  • The greatest common factor of 30 and 54 is 6.

Final Answer:

The GCF of 30 and 54 is 6.

Why is the GCF Important?

Understanding how to find the GCF helps simplify fractions, solve problems with ratios, and is useful in real-world situations like dividing objects evenly.

Quick Recap:

  • Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
  • Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54
  • Common factors: 1, 2, 3, 6
  • GCF: 6

With these easy steps, you can find the GCF of any two numbers.

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