Finding the prime factorization of a whole number write the prime power factorization of each. These worksheets require trees to determine the prime factorization of a number including showing expanded and exponential forms.
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15 48 16 35 17 46 18 40 19 100 20 66 21 75 22 72 23 65 24 81 25 80 26 54.
Prime factorization worksheet with answers pdf. 1 25 2 26 3 16 4 22 5 27 6 18 7 21 8 24 9 30 10 20 11 50 12 66 13 49 14 69 15 62 16 42 17 74 18 52 19 68 20 60 21 69 22 63 23 39 24 44 25 66 26 56 27 60 28 45 29 72 30 55. Create your own worksheets like this one with infinite pre algebra. Write the prime power factorization of each.
Free worksheets for prime factorization find factors of a number create an unlimited supply of free worksheets for prime factorization or for finding all the factors of the given numbers. Multiply each set of prime factors to see what composite number they make. 2013 ate name.
12 what percent of caloric intake should be from fat. Below are six versions of our grade 5 factoring worksheet. Refer to the bar graphs in the tutorial to answer the following questions.
The worksheets are available in both html and pdf formats both are easy to print and they come with an answer key on the second page of the file. Answers 1 38 2 44 2 x 19 11 x 4. The prime factorization of a composite number is the number written as a product of its prime factors.
1 2 5 4 3 6 7 10 9 8 11 refer to the line graphs in the tutorial to answer the following questions. Graphs refer to the circle graph in the tutorial to answer the following questions. Note that there may be more than one possible correct combination of intermediate factors but the factors at the bottom of each branch the prime factors.
Worksheets math grade 5 factoring prime factor trees. The pair 3 8 is called a factor pair of 24. Pprime factorizationrime factorization because 3 is a factor of 24 and 3 8 24 8 is also a factor of 24.
See the example and then complete the following. You can use factor pairs and a factor tree to help find the prime factorization of a. 60 60 6 x 10 15 x 4 2 x 3 2 x 5 3 x 5 2 x 2 1 38 2 44.
Students determine the prime factors of a number by using a factor tree.
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