Forgot password? New user? Sign up

Existing user? Log in

$\begin{aligned} 1+1 \times 2 \times 3 \times 4 &= 5^2 \\ 1+2 \times 3 \times 4 \times 5 &= 11^2 \\ 1 + 3 \times 4 \times 5 \times 6 &= 19^2 \end{aligned}$

Is 1 plus the product of four consecutive integers always a perfect square?

Problem Loading...

Note Loading...

Set Loading...