Multiples
The first five multiples of 10.
10, 20, 30, 40, 50
What are the factor pairs of 20?
1 x 20, 2 x 10, 4 x 5
What is the greatest common factor of 12 and 24?
GCF = 12
What is the prime factorization of 60?
*Use a factor tree to find your answer!
60 = 22 x 3 x 5
What is the least common multiple of 11 and 4?
LCM = 44
The first five multiples of 3.
3, 6, 9, 12, 15
What are the factor pairs of 28?
1 x 28, 2 x 14, 4 x 7
What is the greatest common factor of 30 and 45?
GCF = 15
What is the prime factorization of 42?
*Use a factor tree to find your answer!
42 = 2 x 3 x 7
What is the least common multiple of 9 and 6?
LCM = 18
The first five multiples of 7.
7, 14, 21, 28, 35
What are the factor pairs of 36?
1 x 36, 2 x 18, 3 x 12, 4 x 9, 6 x 6
What is the greatest common factor of 4 and 16?
GCF = 4
What is the prime factorization of 64?
*Use a factor tree to find your answer!
What is the least common multiple of 2 and 4?
LCM = 4
The first five multiples of 25.
25, 50, 75, 100, 125
What are the factor pairs of 45?
1 x 45, 3 x 15, 5 x 9
What is the greatest common factor of 11 and 121?
GCF = 11
What is the prime factorization of 30?
*Use a factor tree to find your answer!
30 = 2 x 3 x 5
What is the least common multiple of 3 and 12?
LCM = 12
The first five multiples of 30.
30, 60, 90, 120, 150
What are the factor pairs of 100?
1 x 100, 2 x 50, 4 x 25, 5 x 20, 10 x 10
What is the greatest common factor of 9 and 63?
GCF = 9
What is the prime factorization of 60?
*Use a factor tree to find your answer!
116 = 22 x 29
What is the least common multiple of 15 and 10?
LCM = 30