Question
Find Greatest Common Divisor of 10 and 3, using Euclidean algorithm.
Answer
The GCD of given numbers is 1.
Explanation
Step 1 :
Divide by and get the remainder
The remainder is positive (), so we will continue with division.
Step 2 :
Divide by and get the remainder
The remainder is zero => GCD is the last divisor .
We can summarize an algorithm into a following table.
| 10 | : | 3 | = | 3 | remainder ( 1 ) | ||
| 3 | : | 1 | = | 3 | remainder ( 0 ) | ||
| GCD = 1 | |||||||
This solution can be visualized using a Venn diagram.
0,0
10
3
1
2
5
3
The GCD equals the product of the numbers at the intersection.
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