Question

What is the LCM of 13 and 26

Answer 1

The lest common multiple is 26. If you do multiples of each number

13:13,26
26: 26

Both of their lest common multiples would be 26

Answer 2

$LCM\ is\ the\ least\ common\ number\ that\ is\ multiply\ of\ both:\\\\ Factors\ of\ 13\\ 13:13\\\\ Factors\ of\ 26:\\ 26:2\\ 13:13\\\\ LCM(13,26)=2*13=26\\\\ \textbf{LCM(13,26)=26}$