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Question: Find the prime factorization of 20.


A ) 5 × 3 × 2
B ) 7 × 2 × 2
C ) 5 × 4
D ) 5 × 2 × 2

Steps to derive

1 A factor tree written for 20 as the product of prime factors is:


2 So, the prime factorization of 20 is 5 × 2 × 2.



Hence the right answer is Option D

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