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CBSE Class 10 Answered

What is the greatest number that divides 720 and 810 without leaving any remainder   
Asked by jaingauri13 | 29 Jun, 2020, 05:25: PM
answered-by-expert Expert Answer
Prime factorisation of 720 and 810 are
720 = 2 x 2 x 2 x 2 x 3 x 3 x 5
810 = 2 x 3 x 3 x 3 x 3 x 5
COmmon factor = 2 x 3 x 3 x 5 = 90
Hence, the highest number that divides 720 and 810 is 90.
Answered by Renu Varma | 29 Jun, 2020, 07:41: PM

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