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

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 ðŸ˜‹ðŸ˜ƒâ˜º

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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. Iâ€™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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