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Solving multidimensional ill-posed problems has attracted wide interests and found many practical applications. However, the most modern applications require processing a large amount of datum that often very difficult to perform on personal computers. In this case usual different methods apply for simplification of the problem statement but these simplifications degrade the accuracy of the inverted parameters. It is supposed to solve calculating difficult applications by using parallel computation that gives us an advantage the time and the accuracy. The main practical problem investigated here is an effective solving of multidimensional Fredholm integral equation of the 1st kind by using parallel computation. In most cases the algorithms of solving Fredholm integral equation of the 1st kind have structures which allow to divide large problem into smaller ones which are then solved “in parallel”. The effectiveness of the proposed methods is shown.