Question
Find Greatest Common Divisor of 200, 400, 600 and 800, by listing out the factors.
Answer
The GCD of given numbers is 200.
Explanation
| factors of 200 are : | 1 , 2 , 4 , 5 , 8 , 10 , 20 , 25 , 40 , 50 , 100 , 200 |
| factors of 400 are : | 1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 25 , 40 , 50 , 80 , 100 , 200 , 400 |
| factors of 600 are : | 1 , 2 , 3 , 4 , 5 , 6 , 8 , 10 , 12 , 15 , 20 , 24 , 25 , 30 , 40 , 50 , 60 , 75 , 100 , 120 , 150 , 200 , 300 , 600 |
| factors of 800 are : | 1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 25 , 32 , 40 , 50 , 80 , 100 , 160 , 200 , 400 , 800 |
We see that the Greatest Common Factor = 200.
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