Question

which is the greatest common divisor of 72,81 and 180?​

Answer 1

Answer:

divisor of 72 = 36

81 = 3

180 = 2²x3²x5

Answer 2

Answer:D

Multiples of 72 , 81 , 180 are:-

72 = 2*2*2*3*3

81 = 3*3*3*3

180 = 2*2*3*3*5

As, 3*3 is common in all .

Therefore 9 is the GDC or HCF.

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