Question

-------------decomposicao em fatores primos de 15,30,80,120​

Answer 1

Resposta:

a) $15$

$\begin{vmatrix} 15 \\ 5 \\1 \end{vmatrix.} \begin{vmatrix} 3 \\ 5 \\ \end{vmatrix.} = 3\cdot5$

b) $30$

$\begin{vmatrix} 30\\ 15 \\ 5 \\1 \end{vmatrix.} \begin{vmatrix} 2 \\3 \\ 5 \\ \end{vmatrix.} = 2\cdot3\cdot5$

c) $80$

$\begin{vmatrix} 80 \\40 \\ 20 \\10\\5\\1 \end{vmatrix.} \begin{vmatrix} 2 \\ 2 \\2\\2\\5\\ \end{vmatrix.} = 2\cdot2\cdot2\cdot2\cdot5 = 2^4\cdot5$

d) $120$

$\begin{vmatrix} 120 \\60 \\ 30 \\15\\5\\1 \end{vmatrix.} \begin{vmatrix} 2 \\ 2 \\2\\3\\5\\ \end{vmatrix.} = 2\cdot2\cdot2\cdot3\cdot5 = 2^3\cdot3\cdot5$