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How many of the numbers from the set {1,2,3...50} have a perfect square factor other than one?

 Dec 20, 2019
 #1
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You have: 1, 2, 3, 4, 5, 6, 7 =6 perfect square FACTORS. Their perfect squares are:1, 4, 9, 16, 25, 36, 49.

 Dec 20, 2019
 #2
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it's 19... but thanks for trying! I appreciate the help

Guest Dec 20, 2019
 #3
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We have these integers

 

4, 8,  9,  12, 16, 18, 20, 24, 25,  27, 28, 32, 36, 40, 44, 45, 48, 49, 50

 

(19  integers )

 

cool cool cool

 Dec 20, 2019
 #4
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Thanks CPhill!

Guest Dec 20, 2019

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