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Seventh Grade (Grade 7) Primes, Factors, and Multiples Questions

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Grade 7 Primes, Factors, and Multiples
Factor the expression using the positive GCF.
8h - 10
  1. 2(4h - 5)
  2. -2(-4h + 5)
  3. 1(8h - 10)
  4. 4(2h - 5)
Grade 7 Primes, Factors, and Multiples
Factor the expression using the positive GCF.
[math]-30y + 20[/math]
  1. 5(-6y + 4)
  2. 2(-15y + 10)
  3. 10(-3y + 2)
  4. 1(-30y + 20)
Grade 7 Primes, Factors, and Multiples
Grade 7 Primes, Factors, and Multiples
Which group contains only prime numbers?
  1. 5, 13, 29, 47
  2. 7, 11, 27, 43
  3. 7, 19, 33, 41
  4. 11, 17, 37, 39
Grade 7 Primes, Factors, and Multiples
Grade 7 Primes, Factors, and Multiples
The largest of the common factors of 2 or more numbers is the:
  1. Absolute Value
  2. Common Factor
  3. Greatest Common Factor
  4. Least Common Multiple
Grade 7 Primes, Factors, and Multiples
Factor the expression using the positive GCF.
[math]-32r - 8[/math]
  1. 1(-32r -8)
  2. 16(-2r - 0.5)
  3. 4(-8r - 2)
  4. 8(-4r - 1)
Grade 7 Primes, Factors, and Multiples
Find the Least Common Multiple of 18a and 24b.
  1. 72ab
  2. [math]72a^2b^2[/math]
  3. 6
  4. 6ab
Grade 7 Primes, Factors, and Multiples
Find the greatest common factor and least common multiple of [math]24,6[/math] and [math]18[/math].
  1. GCF: [math]12[/math], LCM: [math]72[/math]
  2. GCF: [math]6[/math], LCM: [math]72[/math]
  3. GCF: [math]6[/math], LCM: [math]36[/math]
  4. GCF: [math]12[/math], LCM: [math]36[/math]
Grade 7 Primes, Factors, and Multiples
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 7 Primes, Factors, and Multiples
Which is the prime factorization of 540?
  1. [math]2^2xx3^3xx5[/math]
  2. [math]45xx2xx5[/math]
  3. [math]2xx3xx9xx10[/math]
  4. [math]6xx9xx10[/math]
Grade 7 Primes, Factors, and Multiples
Grade 7 Primes, Factors, and Multiples
Grade 7 Primes, Factors, and Multiples
Grade 7 Primes, Factors, and Multiples
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