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Prime factorization of:

84 = 2 x 2 x 3 .......... x 7

105= ..........3 x ......5 x 7

126= 2 x .. ..3 x 3 x...... 7

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GCF= ..........3 x ...........7 = 21

Answer: The GCF of 84, 105 and 126 = 21

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12y ago
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Q: What is the gcf of 84 105 and 126?
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