Question

Question #41206

Answer 1

`"GCF"` of `12,42`, and `24` `= 2xx3=6`

Explanation:

Write each number as the product of its prime factors:
Identify which factors they have in common.

For example, using the numbers `12,42 and 24`

`" "12 = color(red)(2)xx2color(white)(..m)xxcolor(red)(3)`
`" "42 =color(red)(2)color(white)(..mmm)xxcolor(red)(3) xx7`
`" "24 = ul(color(red)(2)xx2xx2xxcolor(red)(3))`
`GCF= color(red)(2)color(white)(..mmm)xxcolor(red)(3 = 6)`

The `GCF` is the product of all the common factors.