Find the HCF of 20 28 and 36 using prime factorization method
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3
Answer:
4
Step-by-step explanation:
20 = 2 × 2 × 5;
28 = 2 × 2 × 7;
36 = 2 × 2 × 3 × 3;
The common factor of 20, 28 and 36 is 2(occurring twice). Thus, HCF of 20, 28 and 36 is 2 × 2 = 4.
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