약수·배수와 소수 단원 종합

H.1Write yes or no.

1. 1
   Is 12 a factor of 36? 
2. 2
   Is 2 a factor of 13? 
3. 3
   Is 6 a factor of 30? 
4. 4
   Is 10 a factor of 80? 

H.2List the factors from least to greatest.

1. 5
   List all the factors of 54.
2. 6
   List all the factors of 10.
3. 7
   List all the factors of 25.
4. 8
   List all the factors of 58.

H.3List all the factor pairs.

1. 9
   List all the factor pairs of 92.
2. 10
   List all the factor pairs of 90.
3. 11
   List all the factor pairs of 48.
4. 12
   List all the factor pairs of 26.

H.4List the multiples in order.

1. 13
   List the first five multiples of 2.
2. 14
   List the first five multiples of 9.
3. 15
   List the first five multiples of 6.
4. 16
   List the first five multiples of 8.

H.5Write prime or composite.

1. 17
   Is 37 prime or composite?
2. 18
   Is 32 prime or composite?
3. 19
   Is 98 prime or composite?
4. 20
   Is 16 prime or composite?

H.6Answer each question.

1. 21
   List all the factor pairs of 84.
2. 22
   List all the factor pairs of 99.

H.6Answer each question. (continued)

1. 23
   List all the factor pairs of 34.
2. 24
   List all the factor pairs of 76.

H.1Is It a Factor?

1. 1yes
2. 2no
3. 3yes
4. 4yes

H.2List the Factors

1. 51, 2, 3, 6, 9, 18, 27, 54
2. 61, 2, 5, 10
3. 71, 5, 25
4. 81, 2, 29, 58

H.3Factor Pairs

1. 9$1\times 92$, $2\times 46$, $4\times 23$
2. 10$1\times 90$, $2\times 45$, $3\times 30$, $5\times 18$, $6\times 15$, $9\times 10$
3. 11$1\times 48$, $2\times 24$, $3\times 16$, $4\times 12$, $6\times 8$
4. 12$1\times 26$, $2\times 13$

H.4List Multiples

1. 132, 4, 6, 8, 10
2. 149, 18, 27, 36, 45
3. 156, 12, 18, 24, 30
4. 168, 16, 24, 32, 40

H.5Prime or Composite

1. 17prime
2. 18composite
3. 19composite
4. 20composite

H.6Factor Pairs & GCF

1. 21$1\times 84$, $2\times 42$, $3\times 28$, $4\times 21$, $6\times 14$, $7\times 12$
2. 22$1\times 99$, $3\times 33$, $9\times 11$
3. 23$1\times 34$, $2\times 17$
4. 24$1\times 76$, $2\times 38$, $4\times 19$