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Instruction:
Question 1
Which option shows the prime factorization of 24?
A.  2 × 2 × 3 × 5 B.  2 × 3 × 5
C.  2 × 2 × 2 × 6 D.  2 × 2 × 2 × 3
Question 2
Which option shows a prime number?
A.  88 B.  131
C.  64 D.  62
Question 3
Which shows the prime factorization for 36?
A.  2× 2 ×3×5 B.  2× 2 ×32×3
C.  2× 2 ×3×3 D.  2× 3 ×3×3
Question 4
What are the common factors of 10 and 21?
A.  1, 3, 7 B.  1
C.  2 D.  1, 2, 5, 10
Question 5
There are few cards on Emily's table. She can divide those cards into groups of 4 cards or groups of 5 cards. Which of the following is a possible number of cards she has on the table?
A.  15 B.  12
C.  20 D.  24
Question 6
Which option shows all the common factors of 15 and 45?
A.  1, 3, 5, 5, 15 B.  1, 2, 4, 8
C.  1, 5, 15 D.  1, 3, 5, 15
Question 7
What are the factors of 25?
A.  1, 5, 25 B.  1, 3, 5, 25
C.  1, 5 D.  1, 25
Question 8
Find the Greatest Common Factor of 14 and 28.
A.  7 B.  28
C.  2 D.  14
Question 9
Which option below shows the prime factorization of 36?
A.  2 × 2 × 3 × 3 B.  2 × 3 × 3 × 3
C.  2 × 3 × 3 D.  2 × 2 × 3 × 3 × 3
Question 10
Find the Greatest Common Factor(GCF) of 17 and 23.
A.  17 B.  23
C.  1 D.  69
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