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How many pairs of perfect squares between 1 and 100 inclusive differ by a prime number?

 Dec 20, 2019
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How many pairs of perfect squares between 1 and 100 inclusive differ by a prime number?

 

Hello Guest!

 

1       1 * 1

                        3

4       2 * 2

                        5

9       3 * 3

                        7

16     4 * 4

                        9

25     5 * 5

                        11

36     6 * 6

                        13

49     7 * 7

                        15

64     8 * 8

                        17

81     9 * 9

                        19

100 10 * 10

 

7  pairs of perfect squares between 1 and 100 inclusive differ by a prime number.

 

laugh  !

 Dec 20, 2019

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