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Question

Find Greatest Common Divisor of 85 and 7225, using Euclidean algorithm.

Answer

The GCD of given numbers is 85.

Explanation

Step 1 :
Divide $ 7225 $ by $ 85 $ and get the remainder

$$ 7225 : \color{blue}{ \boxed { 85 }} = 85 \text{ ( remainder is } \color{blue}{ 0 } \text{ ) } $$

The remainder is zero => GCD is the last divisor $ \color{blue}{ \boxed { 85 }} $.

We can summarize an algorithm into a following table.

7225 : 85 = 85 remainder ( 0 )
GCD = 85

This solution can be visualized using a Venn diagram.

The GCD equals the product of the numbers at the intersection.

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