In order to find the common factors of 144 and 100, we follow the following steps:
Step 1: Find the HCF of 144 and 100.
Prime factorization of 144 = 2x2x2x2x3x3
Prime factorization of 100 = 2x2x5x5
HCF(144,100) = 2x2 = 22 = 4.
Step 2: Find the factors of HCF(144,100) i.e. 4. The factors of 4 are the common factors of 144 and 100.
Factors of 4 are 1, 2 and 4.
So, common factors of 144 and 100 are 1, 2 and 4.
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The GCF of 74 and 100 is 2.
The factors of 36 are 1,2,3,4,6,9,12,18,and 36.The factors of 74 are 1,2,and 37.The greatest common factor of 36 and 74 is 2.
The factors for 74 are 1, 2, 37 and 74. The factors for 26 are 1, 2, 13 and 26. So 1 and 2 are their only common factors.
The GCF of 8 and 75 is 2.The factors of 8 are: 1, 2, 4, 8The factors of 74 are: 1, 2, 37, 74The common factors are: 1, 2The Greatest Common Factor (GCF) is: 2
Common factors of 34 and 100 are: 1 and 2.