Since 7 is a factor of 147, it is automatically the GCF.
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The greatest common factor of 48 and 147 is 3
The greatest common factor of 70 147 175 and 280 is 7.
To find the greatest common factor (GCF) of 147 and 172, we need to determine the largest number that divides both evenly. First, we find the prime factors of each number: 147 = 3 x 7 x 7 and 172 = 2 x 2 x 43. The common factors are 1 and 1, as there are no other common prime factors between the two numbers. Therefore, the GCF of 147 and 172 is 1.
The greatest common factor of 7 and 28 is 7.
The greatest common factor of 21 and 77 is 7.