WorksheetsPrime Factorization with Sir Ed!
Total questions: 10
Worksheet time: 14mins
A prime number is ...
A number that has more than two factors
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An Odd Number
A number that only has two factors; one and itself.
Use a number tree to find the prime factorization of 32
2x2x2x4
4x4x2
2x2x2x2x2
2x2x2x2x1
All of the following are composite numbers except...
6
51
61
63
27
One is
a prime number
not a prime nor a composite number
a composite number
none of the above
What is a prime factorization?
It is a method to express..
a prime number as a product of its composite factors
a prime number as a product of its prime factors
a composite number as a product of its composite factors
a composite number as a product of its prime factors
What is the prime factorization of 21?
1 x 7 x 4
21 x 3
2 x 1 x 3
7 x 3
Use a number tree to find the prime factorization of 42
4 x 4 x 3
7 x 3 x 2
6 x 7
5 x 4 x 2
Use a number tree to find the prime factorization of 72
2x2x2x3x3
4x2x2x2x2
4x3x3x2
72x1
Which of these is NOT a factor of 36?
2
12
8
6
What are the prime factors of 30?
3, 30
3, 2, 5
10, 3
1, 2, 3, 5, 6, 10, 15, 30
