Question 2 • FL-1200370-Algebra 1-A Semester 2
Since 441 = 21 × 21 and 21 = 3 × 7, we get 441 = 3 × 3 × 7 × 7. These are all prime factors, so the prime factorization is 3(3)(7)(7), choice A. Choices B and C multiply to 441 but include composite factors.
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