Two prime numbers are roots of the quadratic equation . What value of makes this a true statement?
Source: mathcontest.olemiss.edu 11/13/2006
Let and be two prime numbers that are roots of the quadratic equation .
We factor the equation as follows:
develop the right hand side
Compare the left and right hand side of the above equation
Try a few prime numbers
YES a solution
NOT a solution because is not prime