Prime Factorization Worksheet

Prime Factorization
Name __________________________
Using the National Library of Virtual Manipulatives site (NLVM) > Factor Tree >  write down 5 different numbers that you factor using this site and write the prime factorization for each.
1. Number to factor   _______________
Prime Factorization =
2. Number to factor   _______________
Prime Factorization =
3. Number to factor   _______________
Prime Factorization =
4. Number to factor   _______________
Prime Factorization =
5. Number to factor   _______________
Prime Factorization =
6. Number to factor   _______________
Prime Factorization =
7. Number to factor   _______________
Prime Factorization =
8. Number to factor   _______________
Prime Factorization =
Click > Trees:Two  and factor the two numbers.  Write down the two numbers and the prime factorization for each.  Identify the GCF and LCM for this pair of numbers using the Venn Diagram.
9.    Two Numbers Factored    A._______________    B. _________________
Prime Factorization =  A.
Prime Factorization =   B.
GCF = LCM =
10.    Two Numbers Factored    A._______________    B. _________________
Prime Factorization =  A.
Prime Factorization =   B.
GCF = LCM =

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