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Primes, Factors, and Multiples Questions - All Grades

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Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
Is the number 13 a prime or composite number?
  1. Prime
  2. Composite
Grade 6 Primes, Factors, and Multiples
Which is the prime factorization of 100?
  1. 2×50
  2. 2×2×25
  3. 4×25
  4. 2×2×5×5
Grade 6 Primes, Factors, and Multiples CCSS: 6.NS.B.4
Which of the following is true of the numbers 4 and 10?
  1. The greatest common factor is 2.
  2. The least common multiple is 4.
  3. The greatest common factor is 20.
  4. The least common multiple is 40.
Grade 6 Primes, Factors, and Multiples CCSS: 6.NS.B.4
What is the least common multiple of 6 and 8?
  1. 12
  2. 24
  3. 36
  4. 48
Grade 6 Primes, Factors, and Multiples CCSS: 6.NS.B.4
Find the GCF of 30 and 42.
  1. 210
  2. 6
  3. 2
  4. 3
Grade 6 Primes, Factors, and Multiples
What is the LCM of 7 and 14?
  1. 7
  2. 14
  3. 98
  4. 21
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
40, 48, 56, 64, and 72 are all multiples of which number?
  1. 11
  2. 8
  3. 6
  4. 5
Grade 6 Primes, Factors, and Multiples CCSS: 6.NS.B.4
Pencils come in packages of 10. Erasers come in packages of 12. Phillip wants to purchase the smallest number of pencils and erasers, so that he will have exactly 1 eraser per pencil. How many packages of pencils and erasers should Phillip buy?
  1. 4 packages of pencils and 3 packages of erasers
  2. 5 packages of pencils and 4 packages of erasers
  3. 6 packages of pencils and 5 packages of erasers
Grade 6 Primes, Factors, and Multiples CCSS: 6.NS.B.4
What is the GCF of 25 and 35?
  1. 1
  2. 5
  3. 7
  4. 25
Grade 4 Primes, Factors, and Multiples
What is the only even number that is prime?
  1. 2
  2. 3
  3. 4
  4. 6
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
What is the fourth multiple of 5?
  1. 9
  2. 20
  3. 4
  4. 15
Grade 6 Primes, Factors, and Multiples
What is the least common multiple of 14 and 21?
  1. 12
  2. 35
  3. 42
  4. 7
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
Which is not a factor for the number 36?
  1. 10
  2. 3
  3. 6
  4. 18
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
What are the factors of 12?
  1. 4, 5, 1, 10, 20, 2
  2. 6, 3, 15, 4, 12, 0
  3. 8, 6, 2, 4, 12, 0
  4. 1, 2, 3, 4, 6, 12
Grade 6 Primes, Factors, and Multiples CCSS: 6.NS.B.4
Which is the least common multiple of 6 and 10?
  1. 20
  2. 30
  3. 60
  4. 90
Grade 6 Primes, Factors, and Multiples
What is the LCM of 7, 8, and 9?
  1. 540
  2. 450
  3. 405
  4. 504
Grade 6 Primes, Factors, and Multiples CCSS: 6.NS.B.4
What is the GCF of 12 and 36?
  1. 12
  2. 6
  3. 3
  4. 4
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