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Do a prime factorization of each number. Draw 3 overlapping circles. Place the factors into each circle: note: some will go into the overlapping sections of the circles. All those numbers in the overlapping section of ALL circles will form the GCF.

Multiply those in that overlapping section and that equals the GCF.

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Q: How do you find the GCF of 3 numbers using a venn diagram?
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Related questions

What do you multiply in a venn diagram to find the GCF?

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