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What is the LCM of 9 and 12?

1 Answer

May 1, 2017

A = $3^2 * 2^2$
= $9*4$
= $36$

Explanation:

Find the Prime Decomposition ( $Pd$ ) of the two numbers

= $Pd (9)$ = $3^2$
= $Pd(12)$ = $2^2 * 3$

Find the product of the number with the greatest exponent - for example: $3^2 > 3$

= $3^2 * 2^2$
= $36$

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