2 x 2 x 3 x 7 = 84
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The largest prime factor is 7.
The number is 14.
Oh, isn't that a happy little math question! To find the greatest common factor of 42, 56, and 84, we look for the largest number that divides evenly into all three. First, we list the factors of each number: 42 (1, 2, 3, 6, 7, 14, 21, 42), 56 (1, 2, 4, 7, 8, 14, 28, 56), and 84 (1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84). The greatest common factor is the largest number that appears in all three lists, which in this case is 14.
The greatest common factor of 630 , 84 = 42
It is: 28 which is the greatest common factor of 56 and 84