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