Question
Find Greatest Common Divisor of 28 and 38, using repeated division.
Answer
The GCD of given numbers is 2.
Explanation
Step 1 : Place the numbers inside division bar:.
| 28 | 38 |
Step 2 : Divide numbers by 2.
| 2 | 28 | 38 |
| 14 | 19 |
Step 3 : Number 14 and 19, cannot be divided any more. The GCD is:
This solution can be visualized using a Venn diagram.
0,0
28
38
2
2
7
19
The GCD equals the product of the numbers at the intersection.
This page was created using
GCD Calculator