1. Prime and Composite Numbers
PRIME TIME JEOPARDY
Prime Factorization
GCF/LCM
Factors and Multiples
Prime and Composite Numbers
???
100
200
300
400
500
600
700

2. Prime and Composite for 700
Tell the mystery number.
Clues: The number is prime. The number is less than 19. The sum of the digits of the number is greater than 7.
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3. Prime and Composite for 600
List all the prime numbers less than 20.
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4. Prime and Composite for 500
Tell whether each number is prime or composite.
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5. Prime and Composite for 400
Tell whether the number is prime or composite.
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6. Prime or Composite for 300 What is the definition of a prime number?
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7. Prime and Composite for 200
What is the definition of a composite number?
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8. Prime and Composite for 100
True or False.
1 is prime.
All odd numbers are prime.
Only even numbers are composite.
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9. Prime Factorization for 700
Write the prime factorization using exponents.
200
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10. Prime Factorization for 600
Write the prime factorization using exponents.
140
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11. Prime Factorization for 500
Write the prime factorization using exponents. 85
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12. Prime Factorization for 300
Write the prime factorization using exponents.
360
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13. Prime Factorization for 200
Write the prime factorization using exponents. 60
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14. Prime Factorization for 400
Write the prime factorization using exponents.
155
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15. Prime Factorization for 100
Write the prime factorization using exponents. 80
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16. GCF/LCM for 100
Find the LCM for the following numbers
9 and 15
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17. GCF/LCM for 200 Find the GCF for the following numbers 32 24 and 40
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18. GCF/LCM for 300
Boxes that are 12 inches tall are being stacked next to boxes that are 14 inches tall. What is the shortest height at which the two stacks will be the same height?
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19. GCF/LCM for 400
Ming has 15 quarters, 30 dimes and 48 nickels.  He wants to group his money so that each group has the same number of each coin.  What is the greatest number of groups he can make?
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20. GCF/LCM for 500 a. What is the greatest common factor of 30 and 42?
b. Give a different common factor of 30 and 42.
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21. GCF/LCM for 600
Jack plays on a basketball team after school (or on the weekend) every third day of the month. He babysits his younger brother after school every seventh day of the month. How many times during a 30-day month, if any, will Jack have a conflict between basketball and babysitting?
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22. GCF/LCM for 700
Neena has 54 smiley-face stickers, 36 glittery stickers, and 81 heart stickers. She wants to divide the stickers evenly among her friends. Find the greatest number that Neena can use to divide the stickers evenly.
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23. Factors and Multiples for 100
List all the factors of 30.
List all the divisors of 30.
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24. Factors and Multiples for 200
List the first five mutliples of 9.
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25. Factors and Multiples for 300
Which of the following numbers has the most factors: 6, 17, 25, 31 or 40?
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26. Factors and Multiples for 400
Which number is a common multiple of 7 and 4: 11, 24, 48, or 56?
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27. Factors and Multiples for 500
Find the missing number and the 3 factors
Back 9 12 16 18 ? 36

28. Factors and Multiples for 600
Create a Venn Diagram with the first five multiples of 15 and 12. What number(s) are in the intersection?
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29. Factors and Multiples for 700
Which list shows the prime common factors of 18 and 45?
1,2,3,5,6,9,15
3,9
1,3,9 3
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30. ???? for 700
List the first 7 square numbers.
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31. ???? for 600
Why is 1 not prime or composite?
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32. ???? for 500 Which of the following numbers are not square numbers:
1, 9, 16, 25, 36, 55, 100, 144, 169
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33. ???? for 400
List the first 10 composite numbers.
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34. Name all the factor pairs of 12.
???? for 300
Name all the factor pairs of 12.
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35. List all the factors and the first three multiples for 20.
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36. ???? for 100
What is the divisibility rule for 3?
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