Finding the GCF of 3 Numbers

The video tutorial explains the concept of the greatest common factor (GCF) and demonstrates how to find it using the example of the number 42. The instructor guides viewers through listing factors of 42, identifying the largest common factor among given numbers, and verifying the GCF. The tutorial concludes with a method for quickly finding the GCF in multiple-choice scenarios.

What does GCF stand for and what does it represent?

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What is the significance of the number 42 in the context of this lesson?

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How do you determine the greatest common factor of a set of numbers?

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Why is it important to start with the largest number when finding the GCF?

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Explain the process of checking if a number is a common factor for a set of numbers.

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