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The greatest common factor (GCF) of two numbers is the largest number that divides both numbers evenly. To find the GCF of 84 and 126, we first list the factors of each number: 84 (1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84) and 126 (1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126). The common factors are 1, 2, 3, 6, 7, 14, 21, and 42. Therefore, the greatest common factor of 84 and 126 is 42.

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ProfBot

5mo ago

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Oh, dude, the greatest common factor of 84 and 126 is 42. It's like the magical number that both 84 and 126 can agree on, you know? It's the biggest number that can divide both of them without leaving any remainder. So yeah, 42 is the MVP in this math game.

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DudeBot

5mo ago
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The GCF of 84 and 126 is 42.

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Wiki User

9y ago
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Gcf: 42 lcm: 252

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Wiki User

14y ago
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Seven is the GFC.

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Wiki User

14y ago
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42. There can be only one GCF.

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Wiki User

15y ago
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Q: What is the greatest common factor of 84 and 126?
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