Find the LCM of 42 and 77.

Given :

The given numbers are 42 and 77.

To do :

We have to find the LCM of 42 and 77.

Solution :

Prime factorisation of 42 is,

$42 = 2 \times 3 \times 7$

Prime factorisation of 77 is,

$77 = 7 \times 11$

Therefore,

LCM of 42 and 77 is $2\times 3\times 7\times 11=6\times 77=462$.

Therefore, the LCM of 42 and 77 is 462.

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Updated on: 10-Oct-2022

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