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how many positive perfect cubes does (3^5)(5^12) have?

 Aug 1, 2022
 #1
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There are 10 perfect cubes.

 Aug 1, 2022
 #2
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how many positive perfect cubes does (3^5)(5^12) have?

 

Floor[5/3 +1] * [12 / 3 + 1] ==2  x  5 ==10 perfect cubes.

 Aug 1, 2022

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