Question

find the L.C.M.of 25 30 and 40 by prime factorization​

Answer 1

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Answer 2

Answer:

25 = 5 x 5

30 = 5 x 2 X 3

40 = 5 x 2 x 2 x 2

5 is common in all of the above.

∴  The LCM will be

⇒5 x 5 x 3 x 2 x 2 x 2

⇒600

∴ The LCM of 25, 30, 40 is 600