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Eduardo thinks of a number between 1 and 20 that has exactly 5 factors. What number is he thinking of?
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Eduardo thinks of a number between 1 and 20 that has exactly 5 factors. What number is he thinking of?

User Halxinate
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It is the number 16 because it has exactly five factors which are : 1,2,4,8,16. The number 4 repeats itself, therefore it is count as one number.

Hope this helps
User Tomer Wolberg
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