Answer key prime and composite factors are the numbers you multiply to get another number. These worksheets require trees to determine the prime factorization of a number including showing expanded and exponential forms.
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The prime factors for 60.
Prime factors worksheet pdf. Create an unlimited supply of free worksheets for prime factorization or for finding all the factors of the given numbers. Worksheets math grade 4 factoring prime factors. Students can use math worksheets to master a math skill through practice in a study group or for peer tutoring.
Composite numbers are the numbers that have more than two factors. Worksheets math grade 5 factoring prime factor trees. Use the buttons below to print open or download the pdf version of the prime factor trees range 4 to 48 a math worksheet.
What are the factors of 6. 1 2 3 and 6. Students determine the prime factors of a number by using a factor tree.
It won t matter which numbers you. The size of the pdf file is 34804 bytes. 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.
Below are six versions of our grade 5 factoring worksheet. Each worksheet is randomly generated and thus unique. Numbers 2 50 or 2 100.
Prime factor trees multiples of whole numbers. 15 48 16 35 17 46 18 40 19 100 20 66 21 75 22 72 23 65 24 81. O x2 w03152 u 6ksu5t law mssotf vt yw9a9rue8 7lil jc b h i fa4l xl b rrkiaghetrs h yr gecskelrlvyegdc j u 4mya4dse u wwvist 3hu kihnhf viznei pt 0el 9pnr9eh 8aglegie ebur ta7 a worksheet by kuta software llc write the prime power factorization of each.
Students determine whether a number is prime by finding its prime factors. 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. 60 60 6 x 10 15 x 4 2 x 3 2 x 5 3 x 5 2 x 2 1 38 2 44 3 72 4 91 5 70 6 28 when factoring the numbers there is often more than 1 way.
1 and 3 because 3 has only two factors it is a prime number. Finding the prime factorization of a whole number write the prime power factorization of each. Prime numbers are the numbers that have only two factors.
What are the factors of 3. 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.
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