Question

Find the lowest common multiple of each each group. show the factors you used.1. 5,22 and 121

Answer 1

Given

`5,22and121`

We can find the l.cm below.

Step-by-step explanation

`\begin{gathered} \mathrm{The\:LCM\:of\:}a,\:b\mathrm{\:is\:the\:smallest\:positive\:number\:that\:is\:divisible\:by\:both\:}a\mathrm{\:and\:}b \\ We\text{ will find the prime factorization below} \\ 5=5 \\ 22=2*11 \\ 121=11*11 \\ \mathrm{Compute\:a\:number\:comprised\:of\:factors\:that\:appear\:in\:at\:least\:one\:of\:the\:following:}5,\:22,\:121 \\ =5\cdot\:2\cdot\:11\cdot\:11=1210 \\ \end{gathered}`

Answer: 1210