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Worksheet: Prime Factorization - GCF - Factor Trees | Pre-Algebra ... - Free Printable

Educational worksheet: Worksheet: Prime Factorization - GCF - Factor Trees | Pre-Algebra .... Download and print for classroom or home learning activities.

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Show Answer Key & Explanations Step-by-step solution for: Worksheet: Prime Factorization - GCF - Factor Trees | Pre-Algebra ...

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Final Answer:
1) 45 — composite
2) 81 — composite
3) 61 — prime
4) 97 — prime
5) 101 — prime
6) 117 — composite
7) 79 — prime
8) 54 — composite
9) 18 — 2 × 3 × 3
10) 91 — 7 × 13
11) 48 — 2 × 2 × 2 × 2 × 3
12) 135 — 3 × 3 × 3 × 5
13) 162 — 2 × 3 × 3 × 3 × 3
14) 428 — 2 × 2 × 107
15) 148 — 2 × 2 × 37
16) 281 — prime
17) 100 — 2 × 2 × 5 × 5
18) 304 — 2 × 2 × 2 × 2 × 19

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

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