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Question
Find the greatest number that divides each of 180, 225 and 315 completely
Solution
The greatest number that divides 180, 225 and 315 will be HCF of 180, 225, 315
Let us first find HCF of 180 and 225
Since the third number is 315, and HCF obtained above is 45, find the HCF of 315 and 45.
∴ HCF of given number 80, 225 and 315 = 45
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