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Earn +20 ptsQ: What is the GCF for 15 and 60 using prime factorization?
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What is the greatest common factor of 15 and 25 and 30?
The GCF of 15, 25, and 30 is 5.The prime factorization of 15 is 3*5.The prime factorization of 25 is 5*5The prime factorization of 30 is 2*3*5So the GCF of 15, 25, and 30 is 5.
What is the greatest common factor of 45 and 210?
The Greatest common factor of 45 and 210 is 15.The prime factorization of 45 is 3*3*5The prime factorization of 210 is 2*3*5*7The greatest common factor is 3*5 = 15
What is the greatest common factor of 50 and 135?
Since 15 is a factor of 135, it is automatically the GCF.
What is the factor shared by 70 and 15?
The GCF of 15 and 70 is 5.The prime factorization of 15 is 3*5.The prime factorization of 70 is 2*5*7.The only, and greatest, common factor is 5.The GCF is 5.
What is the greatest common factor of 45 90 75?
gcf(75, 45, 90) = 15 Using prime factorization: 75 = 3 x 5² 45 = 3² x 5 90 = 2 x 3² x 5 hcf = 3 x 5 = 15
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