Prime Factor
Tree© Richard A. Medeiros 2008
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18
3 × 6
3 × 3 × 2
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The prime factors for 18 are…
3 × 3 × 2
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© 2008 RAM
15
3 × 5
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The prime factors for 15 are…
3 × 5© 2008 RAM
24
6 × 4
3 × 2 × 2 × 2
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The prime factors for 24 are…
3 × 2 × 2 × 2
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© 2008 RAM
36
9 × 4
3 × 3 × 2 × 2
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The prime factors for 36 are…
3 × 3 × 2 × 2
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© 2008 RAM
24
3 ×
3 × 2 ×
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The prime factors for 24 are…
3 × 2 × 2 × 2
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3 × 2 × 2
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×
8
4
2
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© 2008 RAM
16
4 ×
2 × 2 ××
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The prime factors for 16 are…
2 × 2 × 2 × 2
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© 2008 RAM
18
2 ×
2 × 3 ×
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The prime factors for 18 are…
2 × 3 × 3
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© 2008 RAM
27
3 ×
3 × 3 ×
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The prime factors for 27 are…
3 × 3 × 3
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© 2008 RAM
81
9 ×
3 × 3 ××
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The prime factors for 81 are…
3 × 3 × 3 × 3
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© 2008 RAM
42
7 ×
7 × 3 ×
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The prime factors for 42 are…
7 × 3 × 2
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© 2008 RAM
54
6 ×
2 × 3 ××
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The prime factors for 54 are…
2 × 3 × 3 × 3
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© 2008 RAM
72
9 ×
3 × 2 ×
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The prime factors for 40 are…
3 × 3 × 2 × 2 × 2
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3 × 2 × 2
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×
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© 2008 RAM
×
3 ×
45
5 ×
5 × 3 ×
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The prime factors for 45 are…
5 × 3 × 3
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© 2008 RAM
40
5 ×
5 × 2 ×
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The prime factors for 40 are…
5 × 2 × 2 × 2
next
5 × 2 × 2
next
×
next
© 2008 RAM
60
6 ×
2 × 2 ××
nextnextnextnext
The prime factors for 54 are…
2 × 3 × 2 × 5
nextnext
© 2008 RAM
48
6 ×
3 × 2 ×
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The prime factors for 40 are…
3 × 2 × 2 × 2 × 2
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3 × 2 × 2
next
×
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© 2008 RAM
×
2 ×
63
7 ×
7 × 3 ×
nextnextnextnext
The prime factors for 45 are…
7 × 3 × 3
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© 2008 RAM