To find the highest common factor (HCF) of 126 and 300, you can use the method of prime factorization. First, break down 126 and 300 into their prime factors: 126 = 2 x 3 x 3 x 7 and 300 = 2 x 2 x 3 x 5 x 5. Then, identify the common prime factors shared by both numbers, which are 2 and 3. Multiply these common factors together to get the HCF, which is 2 x 3 = 6. Therefore, the highest common factor of 126 and 300 is 6.
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50
It is: 50
The greatest common factor of 300 and 550 is 50
The greatest common factor of 300 , 480 = 60
The greatest common factor of 240 and 300 is 60.