# Prime and Composite Review

## Quiz by Keishia Yarn _ Staff - NorthGarnerMS

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10 questions

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- Q1What is the prime factorization of 25?51 times 55 times 35 squared30s
- Q2What number(s) are prime in this group: 4, 2, 114All the numbers230s
- Q3What is the prime factorization of 80?2 squared times 52 x 2 x 3 x 52 x 3 x 152 x 2 x 2 x 530s
- Q4What is the greatest common factor (GCF) of 18 and 24?469330s
- Q5What is the prime factorization of 25?1 times 55 times 355 squared30s
- Q6Which of the following are composite numbers: (21, 22, 25, 27, 29)all of them21,22,25,2725,27,2921,22,2930s
- Q7In a parade the different instruments will be grouped and march in line with each other. All the rows must have the same number of students. There are 24 wind instruments, and 36 percussion instruments. What is the greatest number of students who can be in each row?64122430s
- Q8The GCF of two numbers is 3. What are the two numbers?6 and 129 and 1821 and 1412 and 930s
- Q9Given the Prime Factorization of 12 and 90. 12 = 2 x ? x 3 90 = 3 x 3 x ? x 5 What is the missing factor? *Replace the ? with the correct factor.2413030s
- Q10This is the prime factorization for what number : 3 x 3 x 2 x 7 x 57253,3272063030s