1.1.3 Assignment (p. 31-32)

Complete the factor tree.

d

e

1

3

2

6

4

Complete the factor tree.

b

c

10

2

5

6

3

Complete the factor tree.

c

e

a

4

9

3

6

2

Use your factor trees to complete the prime factorization table.

d

e

f

4

3

1

5

6

2

What is the least common multiple (LCM) of 12, 30, and 36?

• 180
• 240

• 432

• 360

Complete the factor tree.

d

e

f

g

1

2

4

3

12

6

8

Complete the factor tree.

f

g

c

d

6

4

2

1

5

12

10

Complete the factor tree.

f

g

c

d

3

1

9

8

4

2

6

Use your factor trees to complete the prime factorization table.

d

e

f

5

3

2

7

4

1

What is the greatest common factor (GCF) of 48, 60, and 72?

• 6
• 24
• 12
• 4