There cannot be a greatest 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.
Chat with our AI personalities
The factors of 44 are: 1,2,4,11,22 and 44.
The factors of 42 are: 1,2,3,6,7,14,21 and 42.
The largest commen factor of 42 and 44 is therefore 2.
The greatest commen factor can also be found be prime factorization of the numbers.
42 = 2*3*7
44=2*2*11
2 is the only common here.
The GCF of 10 and 44 is 2. Here's the scoop:
10 = 2 x 5
44 = 2 x 2 x 11
The single 2 is all the two numbers have in common, so that's the GCF.
The greatest common factor of 8 and 44 is 4.
The greatest common factor for 44 and 66 is 22.
The greatest common factor of 44 and 72 is 4.
The greatest common factor of 35 and 44 is 1.
the greatest common factor of 20 44 88----------- 4