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What is the highest common factor of 630 and 1560

User Rayhem
by
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1 Answer

4 votes
The highest common factor of 630 and 1560 is 30.

630, 1560 | 10
63, 156 | 3
21, 52

Now you multiply 10 by 3 and you get 30. Thirty is the highest number that you can use to divide these two numbers.
User Zorro
by
8.6k points
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