Question

find the H.C.F of the following by prime factorisation method 27, 45and 252​

Answer 1

Step-by-step explanation:

prime factors of :-

27= 3 X 3 X 3 = 3³

45= 3 X 3 X 5 = 3² X 5

252= 2 X 2 X 3 X 3 X 7 = 2² X 3² X 7

here, the common factors are - 3²=9

HCF=9

Answer 2

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