1.

Find H.C.F. and L.C.M. of 220 and 284 by Prime factorisation method. ​

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ANSWER:

Step-by-step explanation:

220=2*2*2*5*5            284=2*2*71   here H.C.F=common FACTORS i.e2*2=(Ans)           and LCM=common factors*non common factors i.e 2*2*2*5*5*71=(Ans)



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