WorksheetsPrime Factorization
Total questions: 10
Worksheet time: 13mins
Name
Class
Date
1.
Use a number tree to find the prime factorization of 32
a)
2x2x2x4
b)
2x2x2x2x2
c)
4x4x2
d)
2x2x2x2x1
2.
Use a number tree to find the prime factorization of 60
a)
5x3x2x2
b)
7x6x5
c)
5x3x3x2
d)
7x5x4
3.
Use a number tree to find the prime factorization of 42
a)
4x4x3
b)
6x7
c)
7x3x2
d)
5x4x2
4.
Use a number tree to find the prime factorization of 64
a)
4x4x4
b)
4x4x2x2
c)
2x2x2x2x2x2
d)
4x4x2x1
5.
Use a number tree to find the prime factorization of 33
a)
33
b)
11x3
c)
10x3
d)
3x3x3x2
6.
Use a number tree to find the prime factorization of 72
a)
2x2x2x3x3
b)
4x3x3x2
c)
4x2x2x2x2
7.
Use a number tree to find the prime factorization of 48
a)
4x2x6
b)
4x2x2x3
c)
3x2x2x2x2
d)
12x4
8.
Use a number tree to find the prime factorization of 18
a)
3x2x2
b)
3x3x3
c)
33x3
d)
3x3x2
9.
Use a number tree to find the prime factorization of 105
a)
7x5x3
b)
11x5x3
c)
7x5x2x1
d)
7x5x3x2
10.
Use a number tree to find the prime factorization of 111
a)
33x3
b)
11x3x3
c)
37x3
d)
9x4x3x1
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