Question

LCM of 2,6,12,20,30,42,56,72,90

Answer 1

Answer:

where by taking LCM,we get 2*3×2*3×2*3×5*7=7560

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Answer 2

Step-by-step explanation:

2=2

6=2×3

12=2×2×3

20=2×2×5

30=2×3×5

42=2×3×7

56=2×2×7

72=2×2×2×3×3

90=2×3×3×5

Therefore,

L.C.M=2^3×3^2×5×7

=8×9×5×7

=56×45

=2520