Grade 6 Mathematics Quiz

Finding greatest common factor: What is the greatest common factor of 132 and 36?

• 6

• 18

• 12

• 30

Finding greatest common factor: What is the greatest common factor of 135 and 81?

• 15

• 9

• 36

• 27

Finding greatest common factor: What is the greatest common factor of 72 and 96?

• 36

• 48

• 24

• 12

Finding greatest common factor: What is the greatest common factor of 60 and 90?

• 10

• 30

• 20

• 15

Prime factorization of numbers: Find the prime factorization of 72.

• 2 x 2 x 2 x 9

• 3 x 3 x 3 x 8

• 2 x 2 x 2 x 2 x 9

• 2 x 2 x 2 x 3 x 3

Prime factorization of numbers: Find the prime factorization of 63.

• 1 x 63

• 3 x 21

• 3 x 3 x 7

• 2 x 31

Prime factorization of numbers: Find the prime factorization of 180.

• 2 x 2 x 3 x 3 x 5

• 2 x 2 x 2 x 3 x 5

• 2 x 2 x 3 x 7

• 2 x 3 x 3 x 7

Using prime factorization to find GCF: Use prime factorization to find the greatest common factor of 28 and 42.

• 21

• 14

• 35

• 10

Using prime factorization to find GCF: Use prime factorization to find the greatest common factor of 36 and 72.

• The greatest common factor is 12

• The greatest common factor is 36

• The greatest common factor is 18

• The greatest common factor is 72

Using prime factorization to find GCF: Use prime factorization to find the greatest common factor of 48 and 60.

• 4

• 8

• 12

• 16