SELECT PAGE NO.
No Books/Pages Are Available |
SELECT PROBLEM NO. FOR THE PAGE |
Method 1:
List the factors of each number.
Factors of 9: 3, 9.
Factors of 15: 3, 5, 15.
Identify the greatest common factor.
The greatest common factor of 9 and 15 is 3.
Method 2:
Write the prime factorization of each number.
9 = 3 × 3.
15 = 3 × 5.
The GCF is the product of the common prime factors in each number.
GCF = 3.
The greatest common factor of 9 and 15 is 3.
The greatest common factor of 9 and 15 is 3.
"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!" June Barnett |
"Your site is amazing! It helped me get through Algebra." Charles |
"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful." Dan Pease |