Question

Decompor os numeros primos 180, 420, 320, 280.

Answer 1

$180|2$
$060|2$
$030|2$
$015|3$
$005|5$
$001|$

$180=2\times2\times2\times3\times5$
$180=2^{3}\times3\times5$


$420|2$
$210|2$
$105|5$
$021|3$
$007|7$
$001|$

$240=2\times2\times5\times3\times7$
$240=2^{2}\times3\times5\times7$


$320|2$
$160|2$
$080|2$
$040|2$
$020|2$
$010|2$
$005|5$
$001|$

$320=2\times2\times2\times2\times2\times2\times5$
$320=2^{6}\times5$



$280|2$
$140|2$
$070|2$
$035|5$
$007|7$
$001|$

$280=2\times2\times2\times5\times7$
$280=2^{3}\times5\times7$