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Primes, Factors, and Multiples Questions - All Grades

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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. 32
  4. 48
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
Which list shows the factors of 16?
  1. 1, 2, 3, 4,
  2. 1, 2, 4, 8, 16
  3. 16, 32, 48, 64
  4. 2, 4, 6, 8, 10
Grade 6 Primes, Factors, and Multiples
What is the least common multiple of 4 and 15?
  1. 30
  2. 60
  3. 80
  4. 90
Grade 7 Primes, Factors, and Multiples
Which is the prime factorization of 540?
  1. 22×33×5
  2. 45×2×5
  3. 2×3×9×10
  4. 6×9×10
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
Is the number 24 a prime or composite number?
  1. Prime
  2. Composite
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
The factors of 21 are               .
  1. 1, 21
  2. 1, 3,21
  3. 3, 7
  4. 1, 3, 7, 21
Grade 6 Primes, Factors, and Multiples
What is the least common multiple of 4 and 15?
  1. 30
  2. 60
  3. 80
  4. 90
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
Is the number 1 prime, composite, both or neither?
  1. Both
  2. Neither
  3. Prime
  4. Composite
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
Is 15 prime or composite?
  1. Prime
  2. Composite
Grade 5 Primes, Factors, and Multiples
What is the prime factorization for 260?
  1. 2×2×5×13
  2. 2×2×65
  3. 2×10×13
  4. 2×5×26
Grade 6 Primes, Factors, and Multiples CCSS: 6.NS.B.4
What is the least common multiple (LCM) of 2 and 5?
  1. 10
  2. 20
  3. 16
  4. 100
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
Which number below is a composite number?
  1. 1
  2. 3
  3. 23
  4. 37
  5. 45
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
Which row of numbers is divisible by 3, 4, and 6?
  1. 3, 12, 18, 36
  2. 6, 12, 24 ,30
  3. 12, 24, 48, 99
  4. 12, 24, 36, 48
Grade 7 Primes, Factors, and Multiples
What is the prime factorization of 147?
  1. 2 x 3 x 7
  2. 7 x 7 x 7
  3. 4 x 7 x 7
  4. 3 x 7 x 7
Grade 6 Primes, Factors, and Multiples
Find the GCF of 16, 12, 36.
  1. 3
  2. 6
  3. 2
  4. 4
Grade 5 Primes, Factors, and Multiples
What are the divisibility factors for 36?
  1. 1, 2, 3, 4, 9, 12, 18, 36
  2. 1, 2, 3, 4, 6, 9, 12, 18, 36
  3. 2, 2, 3, 3
Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4
Is the number 37 a prime or composite number?
  1. Prime
  2. Composite
Grade 6 Primes, Factors, and Multiples
Find the least common multiple of 5 and 30.
  1. 5
  2. 10
  3. 15
  4. 30
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