Math, asked by thakurroshni422, 2 months ago

Find H.C.F and L.C.M of numbers 12,15 and 21 by using prime factorization.

Answers

Answered by romavaleja

1

Step-by-step explanation:

12,15,21 2

6 ,15,21 2

3 ,15,21 3

1 ,5, 7 5

1 ,1 ,7 7

1,1,1

2×2×3×5×7=420

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