math

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

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asked by sam
  1. If there are an odd number of factors, then the number must be a perfect square, since the factors come in pairs.

    So, I'd start with 16, whose factors are

    1,2,4,8,16

    (4 is a factor twice)

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    posted by Steve
  2. The answer is 16. 1,2,4,8,16

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    posted by Samira
  3. 16 because 1,2,8,16 i am in high school

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    posted by Sofia
  4. And 4

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    posted by Sofia
  5. Brooke has to setup70chairs in equal rows but there is my room for more than 20 rows what are the possible number of rows

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  6. Eduardo thinks of a number between 1 and 20 thathas exactly 5 factos. What number is he thinking of?

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  7. 16

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    posted by jeff
  8. 16 I'm in college so I should know this 😋😃☺

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    posted by Sophia
  9. 16

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  10. Its 18 because if you find the factors Closely 18 has 5 factors

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    posted by fatima
  11. The answer is 16 because it has the following factors 1,2,4,8,and 16

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    posted by astrid
  12. I don't know u guys helped me

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    posted by bella
  13. Um 16

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  14. Well the answer is 16 cause it has the multiples of 1,2,4,8,and 16

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  15. The answer is 16. Find the factors of 16 which are 1, 2, 4, 8 and 16.

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    posted by TMI
  16. 16 because 16 has 5 divisors.

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    posted by Nickita
  17. I’m learning this now for homework

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    posted by Jessi
  18. i dont realy get it myself right now

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    posted by emma

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