There cannot be a common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.
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1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368
The factors of the number 136 are 1, 2, 4, 8, 17, 34, 68, and 136.The multiples are 136, 272, 408 and so on.
The factors of 4 are:
1, 2, 4
The factors of 136 are:
1, 2, 4, 8, 17, 34, 68, 136
The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 The factors of 136 are: 1, 2, 4, 8, 17, 34, 68, 136 The Greatest Common Factor is 8.
The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 48 and 136 is 8
The factors of 102 are:1, 2, 3, 6, 17, 34, 51, 102The factors of 136 are:1, 2, 4, 8, 17, 34, 68, 136The common factors are:1, 2, 17, 34The Greatest Common Factor:GCF = 34
1 x 136, 2 x 68, 4 x 34, 8 x 17 = 136
1, 2, 4, 8, 17, 34, 68, 136.