73 is prime, so it is just 1 and 73.
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the factors are - 1,3, 7,21 ,49, and 147. this is how they connect - 1x147=147, 3x49=147, 7x21=147.
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 GCF is 21.
As a product of its prime factors: 3*7*7 = 147
All of them. Different numbers have different numbers of factors.