Common factors of 45 and 144 are: 1, 3, and 9.
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The common factors of 54 and 144 are: 1, 2, 3, 6, 9, and 18
The common factors of 35 and 45 are: 1 and 5
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 = 2x2x2x2x3x3Prime factorization of 100 = 2x2x5x5HCF(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.
2 is a factor of 144. For it to be common, it needs to be compared to another set of factors.
The common factors of 30 and 45 are: 1, 3, 5, 15.