find hcf of 20,48 by the prime factorisation method
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Answer:
2 |20,48
--|---------------
2 |10,24
--|---------------
2 |5,12
--|---------------
2 | 5,6
--|---------------
3 |5,3
--|---------------
5|5,1
--|---------------
|1,1
HCF= 2×2×2×2×3×5
= 60
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