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How do you find the LCM of the 39, 52, 169?

1 Answer

Chirag Mehta · Ujjwal

Mar 2, 2018

$LCM = 2028$ $"LCM" = 2028$

Explanation:

First perform prime factorisation of all three numbers.

$\Rightarrow 39 = 3 \times 13$ $=>39=3xx13$
$\Rightarrow 52 = 4 \times 13$ $=>52=4xx13$
$\Rightarrow 169 = 13 \times 13$ $=>169=13×13$

As we can see $13$ $13$ is common in all. So it is H.C.F.

Multiply other three numbers which are not common and 13.

$LCM = 3 \times 4 \times 13 \times 13 = 2028$ $"LCM" = 3xx4xx13xx13=2028$
Hope it helps!

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