Factors
Multiples
Prime or Composite
Prime Factorization
Common Factors
100
List the factors for the number 12.
What are 1, 2, 3, 4, 6, 12
100
List all the multiples of 6 between 1 and 25.
What are 6, 12, 18, 24.
100
How many factors do all prime numbers have?
What are exactly 2 factors, 1 and itself.
100
What is the prime factorization of 8?
What is 2^(3).
100
List the common factors for 8 and 12.
What are 1, 2, 4.
200
List the factors for the number 24.
What are 1, 2, 3, 4, 6, 8, 12, 24.
200
List all the multiples of 11 between 1 and 40.
What are 11, 22, 33.
200
How many factors do composite numbers have?
What is more than 2 factors.
200
What is the prime factorization for 16?
What is 2^(4)
200
List the common factors of 20 and 24.
What are 1, 2, 4.
300
List all the factors for the number 64.
What are 1, 2, 4, 8, 16, 32, 64.
300
List all the multiples of 3 between 30 and 50.
What are 30, 33, 36, 39, 42, 45, 48.
300
Is the number 1 prime or composite?
What is neither.
300
What is the prime factorization for the number 50?
What is 2 x 5 x 5 2 x 5^(2)
300
What is always a common factor for any two numbers?
What is 1.
400
Which is not a factor of 36: 1, 2, 3, 4, 6, 8, 9, 12, 18, or 36?
What is 8.
400
Name 2 numbers for which 24 is a multiple.
What are 1, 2, 3, 4, 6, 8, 12, 24.
400
Which of the following numbers is not prime: 2, 3, 5, 7, or 9?
What is 9. It has more than 2 factors: 1, 3, 9.
400
What is the prime factorization for the number 24?
What is 2 x 2 x 3 x 2 = 3 x 2^(3)
400
Find the common factors for 50 and 100.
What are 1, 2, 5, 25, 50.
500
How many factor pairs does the number 100 have?
What is 5 factor pairs. (1 x 100) (2 x 50) (4 x 25) (5 x 20) (10 x 10)
500
Name a common multiple for 4 and 5.
What are 20, 80, etc.
500
Which number is not composite: 4, 25, 29, or 30?
What is 29. It is prime because it has exactly two factors: 1 x 29.
500
What is the prime factorization for the number 68?
What is 2 x 2 x 17 = 17 x 2^(2)
500
Which of the following is not a common factor for 24 and 36: 1, 2, 3, 4, or 9?
What is 9.
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