Question

find the Hcf and LCM of 19,3,7 by using prime factorization​

Answer 1

Answer:

prime factors of 19=1,9.

prime factors of 3=1,3.

prime factors of 7=1,7.

LCM=3×7×9=189.

HCF=1.

HCF =1 because there no factors are common among them

Answer 2

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H.C.F.

Factors of 19=19

Factors of 3=3

Factors of 7=7

So H.C.F. of 19,3,7=1

L.C.M.

L.C.M. of 19×3×7=189

Hope it helps you.......