Three Elliptic Curves with Rank at Least Seven

David E. Penney, Carl Pomerance
1975 Mathematics of Computation  
Three rational elliptic curves whose ranks are at least 7 are exhibited. The 2 i 2 arithmetical details are given for one of the curves, namely y = x + 1692602x -530052723915*.
doi:10.2307/2005311 fatcat:tjnzznywpjfkrbp2qxk574s2ka