Common divisors

Find all common divisors of numbers 30 and 45.

Result

d = (Correct answer is: 1, 3, 5, 15)

Step-by-step explanation:

$$\begin{gathered} 30=2\cdot 3\cdot 5 \\ 45=3^2\cdot 5 \\ 30:1,2,3,5,6,10,15,30 \\ 45:1,3,5,9,15,45 \\ d=1,3,5,15 \end{gathered}$$

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