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Prime Factorization Worksheet for students to practice finding prime factors of numbers.

Prime factorization worksheet titled "Prime Factorization Sheet 1" with instructions to write the prime factorization for each number, including an example and 20 numbered problems.

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1) 33 = 3 x 11
2) 25 = 5 x 5
3) 14 = 2 x 7
4) 8 = 2 x 2 x 2
5) 20 = 2 x 2 x 5
6) 30 = 2 x 3 x 5
7) 18 = 2 x 3 x 3
8) 24 = 2 x 2 x 2 x 3
9) 27 = 3 x 3 x 3
10) 44 = 2 x 2 x 11
11) 50 = 2 x 5 x 5
12) 35 = 5 x 7
13) 45 = 3 x 3 x 5
14) 60 = 2 x 2 x 3 x 5
15) 32 = 2 x 2 x 2 x 2 x 2
16) 42 = 2 x 3 x 7
17) 48 = 2 x 2 x 2 x 2 x 3
18) 54 = 2 x 3 x 3 x 3
19) 36 = 2 x 2 x 3 x 3
20) 80 = 2 x 2 x 2 x 2 x 5

Parent Tip: Review the logic above to help your child master the concept of prime factorization worksheet pdf.

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