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The document features three distinct numbers—18, 30, and 60—which students are tasked to decompose into their fundamental prime factors using the factor tree method. By visually branching down from the original number, learners develop a clearer understanding of how composite numbers are constructed from primes. The worksheet serves as a fundamental practice tool for improving numerical fluency, strengthening arithmetic skills, and mastering the concept of prime decomposition in an elementary school curriculum context. 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