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The positive integer 10 has the property that it is the product of all its proper divisors: 10 = 1*2*5.  Find all numbers between 2 and 30 that have the same property.

 Jun 12, 2020
 #1
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6 = (1, 2, 3, 6) > 4 (divisors)

8 = (1, 2, 4, 8) > 4 (divisors)

14 = (1, 2, 7, 14) > 4 (divisors)

15 = (1, 3, 5, 15) > 4 (divisors

21 = (1, 3, 7, 21) > 4 (divisors)

22 = (1, 2, 11, 22) > 4 (divisors)

26 = (1, 2, 13, 26) > 4 (divisors)

27 = (1, 3, 9, 27) > 4 (divisors)

 Jun 12, 2020
 #2
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I agree with guest becuase that is what I got

jimkey17  Jun 12, 2020

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