GMAT Problem Solving (PS) | Re: How many distinct factors do 165 and 300 have in common?

Factors of 165 (5*3*11) =1,3,5,11,15 ,33,55,165

Factors of 300 (2*2*3*5*5) =1,2,3 ,4,5 6,10,12,15 20,25,30,60,75,100,150,200,300

Distinct common Factors = 1,3,5,15

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