0
The factors of 15 are: 1, 3, 5, 15
The factors of 20 are: 1, 2, 4, 5, 10, 20
The Greatest Common Factor: GCF = 5
15/3 = 5/5 = 1
20/2 = 10/2 = 5/5 = 1
3 x 5 = 15
2 x 2 x 5 = 20
The GCF is 5.
Wiki User
∙ 7y ago
Wiki User
∙ 6y ago3 x 5 = 15
2 x 2 x 3 x 5 = 60
3 x 5 = 15, the GCF
Add your answer:
Earn +20 pts
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
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 gcf of 15 and 55 using prime factorization?
3 x 5 = 155 x 11 = 55Select the common factor.The GCF is 5.
What is the greatest common factor of 15 36 and 70?
The GCF of 15, 36, and 70 is 1.The prime factorization of 15 is 3*5The prime factorization of 36 is 2*2*3*3The prime factorization of 70 is 2*5*7Since they have no common factors, they are coprime, and their GCF is 1.
What is the GCF of 12 and 15 using prime factorization?
2 x 2 x 3 = 123 x 5 = 15Select the common factor.The GCF is 3.
How do you get the greatest common factor of 15 and 35 by using prime factorization?
3 x 5 = 15 5 x 7 = 35 The GCF is 5.
What is the GFC for 12 and 15 using prime factorization?
2 x 2 x 3 = 12 3 x 5 = 15 The GCF is 3.
What is prime factorization of 15 using exponents?
No prime power exists since there are no duplicate prime numbers in the prime factorization.
What is the gcf of 30 and 75 using prime factorization?
2 x 3 x 5 = 303 x 5 x 5 = 753 x 5 = 15, the GCF.
What is the greatest common factor of 143 195 and 260?
The GCF of 143, 195, and 260 is 13 The prime factorization of 143 is 11*13. The prime factorization of 195 is 13*15. The prime factorization of 260 is 2*2*5*13 So the GCF is 13.
What is the prime factorization using exponents of 15?
No prime power exists since there are no duplicate prime numbers in the prime factorization.
What is the greatest common factor of 6 9 and 15?
The GCF is 3.The GCF is 33. You can tell by factorizing them with prime factorization.
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
