Factor Trees and prime factors

Online Factor Trees NVLM

http://hench-maths.wikispaces.com

60

12 5

3 4

2 2

60 = 5x3x2x2=5x3x22

Use a factor tree to find the prime factors of 60

Use a factor tree to find the prime factors of 70

70

35 2

7 5

70=7x5x2

24

2 12

3 4

2 2

24 = 3x2x2x2=3x23

Prime factors of 24

24

3 8

2 4

2 2

Prime factors of 72

72

6 12

3 2 6 2

3 2

Prime Factors of 72=3x3x2x2x2=32x23