3 The length, breadth and height of a room are 825 cm, 675 cm and 450 cm respectively.
Find the longest tape which can measure the three dimensions of the room exactly.
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Let's find the prime factors of 825, 675 and 450. 3, 5 and 5 are the common prime factors. Therefore, 75 cm is the longest tape which can measure the three dimensions of the room exactly.Apr 19, 2014
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