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

Question

Sophie Chaney

Mathematics

2 December, 18:07

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

+1

Answers (1)

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Aryanna Larson · Answer 1

2^2 (1,2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12) = 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44,48

3^2 (1,2,3, 5) = 9, 18, 27, 45

5^2 (1, 2) = 25, 50

7^2 = 49

19 numbers