The HCF of 12 and 18 using prime factorization is:
  • 2
  • 3
  • 6
  • 12
Which number has only two factors?
  • 15
  • 7
  • 10
  • 21
Which is the prime factorization of 90?
  • 2 × 3² × 5
  • 2 × 5 × 10
  • 3 × 3 × 10
  • 2 × 45
Which test can be used to check divisibility of 11?
  • Sum of digits divisible by 11
  • Difference of sums of alternate digits divisible by 11
  • Last digit divisible by 11
  • Ends with 11
The prime factorization of 100 is:
  • 2 × 2 × 5 × 5
  • 4 × 25
  • 10 × 10
  • 20 × 5
Which of the following is not a factor pair of 24?
  • 2×122\times122×12
  • 4×64\times64×6
  • 1×151\times151×15
  • 3×83\times83×8
Find the least common multiple of 15 and 30.
  • 60
  • 30
  • 15
  • 90
Find the greatest common factor of 15 and 30.
  • 3
  • 1
  • 5
  • 15
what is the product of this factor string. 2×3×522\times3\times5^22×3×52
  • 60
  • 15
  • 150
  • 8005
Solve 565^656
  • 15
  • 30
  • 8,945
  • 15,625
What is the prime factorization of 240?
  • 10×2410\times2410×24
  • 2×3×52\times3\times52×3×5
  • 23×3×52^3\times3\times523×3×5
  • 24×3×52^4\times3\times524×3×5
What is the correct order of operations?
  • Exponent, Multiplication, Parentheses, Division, Addition, Subtraction
  • Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
  • Parentheses, Multiplication, Division, Addition, Subtraction,Exponents
Based on the distributive property, which of the following is equivalent to 5(2+3)5\left(2+3\right)5(2+3)
  • 5(2)+5(3)5\left(2\right)+5\left(3\right)5(2)+5(3)
  • 5×2+35\times2+35×2+3
  • 52+535^2+5^352+53
  • 5+2+35+2+35+2+3
Which of these statements is true?
  • All numbers have 4 factors.
  • 2 is a factor of every number.
  • 1 is a factor of every number.
  • All odd numbers have an odd number of factors.
the only factors prime numbers have are:
  • 0 and 1
  • 0 and itself
  • 1 and itself
  • 1
Using the order of operations, solve the following problem. 56 ÷8 + 3(10 − 2 ×3)56\ \div8\ +\ 3\left(10\ -\ 2\ \times3\right)56 ÷8 + 3(10 − 2 ×3)
  • 51
  • 79
  • 19
  • 40
Make a conjecture, what is Ms. L's Favorite flavor of ice cream?
  • strawberry
  • vanilla
  • chocolate
  • coffee
What is the LCM of 32 and 40?
  • 180
  • 160
  • 140
  • 200
Is 35 prime or composite?
  • prime
  • composite
LCM of 7 and 4
  • 12
  • 32
  • 56
  • 28
Joe has listed the first 4 multiples of 7 as: 7 14 22 28Which one is incorrect?
  • 7
  • 14
  • 22
  • 28
What is the LCM?
  • The LCM is the least common factor that both numbers share the least.
  • The LCM is a multiple that both numbers share the most.
  • The LCM is a multiple that both numbers share the least.
  • The LCM is a factor that both numbers share the least.
Find the GCF of 64 and 144
  • 8
  • 6
  • 16
  • 2
What is the greatest factor of 28 and 49?
  • 1
  • 2
  • 7
  • 12
Jane has 18 juice boxes, 24 bags of peanuts and 36 apples. She wants to make snack bags with the same number of each thing in each bag. What is the greatest number of snack bags Jane can make.
  • 4
  • 6
  • 8
  • 10
Peter has 18 oranges, 27 pears and 12 bananas. He wants to make fruit baskets with the same number of each fruit in each basket. What is the greatest number of fruit baskets he can make?
  • 1
  • 2
  • 3
  • 4
A composite number
  • has more than 2 factors
  • has one factor
  • has at least 10 factors
  • is always a really big number
2 x 2 x 2 is the prime factorization of
  • 6
  • 12
  • 22
  • 8
What number is never allowed in a factor tree?
  • 13 (it's bad luck!)
  • 1
  • 8675309
  • 2
What is the prime factorization of 16?
  • 1 x 16
  • 2 x 2 x 4
  • 2 x 2 x 2 x 2
  • 8 + 8
0 h : 0 m : 1 s

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