+0  
 
0
42
2
avatar+307 

Emma plays with her square unit tiles by arranging all of them into different shaped rectangular figures. (For example, a 5 by 7 rectangle would use 35 tiles and would be considered the same rectangle as a 7 by 5 rectangle). Emma can form exactly ten different such rectangular figures that each use all of her tiles. What is the least number of tiles Emma could have?

 Apr 20, 2020
 #1
avatar+20767 
+1

Is the answer 432?

(1,432)

(2,216)

(3,144)

(4,108)

(6,72)

(8,54)

(9,48)

(12,36)

(16,27)

(18,24)

 Apr 20, 2020
 #2
avatar+4 
0

No, it's 240

 Apr 22, 2020

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