The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40
The factors of 48 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48
The common factors are: 1, 2, 4, 8
The Greatest Common Factor (GCF) is: 8
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To find the greatest common factor of 42 and 48, you must first break these numbers down into their prime factors.
42 = 2x3x7
48 = 2x2x2x2x3
The next step is to identify any common prime factors. In this case the only common prime factors are a single 2 and a single 3. Multiply these together to find the GCF. Thus the greatest common factor of 42 and 48 is 6.
8the GCF of 40 and 48 is 8The GCF is 8.8
There are no common factors of 48 because there cannot be common factors without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48. The prime factors of 48 are 2, 2, 2, 2, and 3. Examples: The common factors of 15 and 48 are 1 and 3. The common factors of 32 and 48 are 1, 2, 4, 8, and 16. The common factors of 48 and 54 are 1, 2, 3, and 6.
48 is a factor of 96, so all the factors of 48 (1,2,3,4,6,8,12,16,24,48) are common to 96 as well.
The LCM of 36, 40, and 48 is 720.
The factors of 40 are:1, 2, 4, 5, 8, 10, 20, 40The factors of 48 are:1, 2, 3, 4, 6, 8, 12, 16, 24, 48The common factors are:1, 2, 4, 8The Greatest Common Factor:GCF = 8