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Ruma11 ∙
step 1: list all of the prime numbers that go into 36 and 145.
2*2*3*3=36
5*29=145
step 2: find all the common prime numbers between both sets.
because there are no common prime numbers, the answer has to be 1.
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the GCF of 145 and 174 is 29.
The GCF is: 6.
The GCF is 12.
The GCF is 4.