To find the greatest common factor (GCF) of 24, 63, and 72, we first need to find the factors of each number. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The factors of 63 are 1, 3, 7, 9, 21, and 63. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The GCF of 24, 63, and 72 is the largest number that is a factor of all three numbers, which is 3.
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The Greatest Common Factor of 21, 63, 84: 21
The GCF of 24, 48, and 480 is 24. Because 24 is a factor of 48 and 480, it is automatically the GCF.
Greatest common factor for 35 and 63 and 84 is 7.
The greatest common factor of 63, 84, and 105 is 21.
Since 7 is a factor of 63, it is automatically the GCF.