Common factors of 24 and 40 are: 1, 2, 4, and 8.
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A simple way to find the common factors of any set of numbers is to find all the factors of each one. For example: Let A be all the factors of 24. Let B be all the factors of 32. Let C be all the factors of 40. A = {1,2,3,4,6,8,12,24} B = {1,2,4,8,16,32} C = {1,2,4,5,8,10,20,40} So now we find the intersection (that is all the numbers that are common in all of the sets) of all three sets of factors. A∩B∩C = {1,2,4,8} Therefore, the common factors of 24, 32 and 40 are 1, 2, 4 and 8.
It is eight.
The common factors of 16, 24, and 40 are 1, 2, 4, and 8
THe GCF of 24 and 80 is 8. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24 The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, and 80 The greatest common factor of 24 and 80 is 8
The common factors are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120