Question

Find the greastest common factor of 10,30,and 45.

Answer 1

5

Step-by-step explanation:

To find the greatest common factor of 10, 30, and 45.

The first step is to express the numbers 10, 30, and 45. as a product of its prime factors.

`\begin{gathered} 10=2*5 \\ 30=2*3*5 \\ 45=3*3*5 \end{gathered}`

We observe that only 5 is common in all three numbers.

Therefore:

The greastest common factor of 10,30,and 45 = 5