Question

Find LCM by prime factorization 9 15 21

Answer 1

Answer:

HELLO MATE.

9 = 3 * 3 .

15 = 3 * 5 .

21 = 3 * 7 .

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Answer 2

Answer:

Hello dear ❤️

9=3×3

15=3×5

21=3×7

•°•L.C.M(9,15,21)=3×3×5×7

=315

Step-by-step explanation:

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