+0  
 
0
48
2
avatar+34 

How many positive divisors do 840, 960, and 1200 have in common?

 Jun 29, 2020
 #1
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 Jun 29, 2020
 #2
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(1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 8, 8, 8, 10, 10, 10, 12, 12, 12, 15, 15, 15, 20, 20, 20, 24, 24, 24, 30, 30, 30, 40, 40, 40, 60, 60, 60, 120, 120, 120) = 48 / 3 = 16 divisors are shared by the 3 numbers.

 Jun 30, 2020

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