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Consecutive Product Square
Problem
We can see that 3 
4 5 6 = 360 = 192
1.
Prove that the product of four consecutive integers is always one less than a perfect square.
Problem ID: 184 (01 Nov 2004) Difficulty: 3 Star
We can see that 3 4 5 6 = 360 = 1921.
Prove that the product of four consecutive integers is always one less than a perfect square.
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