Increase the processing power in less time with high performance low-cost process is important for universities, for this reason computational clusters take paramount importance nowadays. In this paper it is shown the study of the performance time of a group that has been physically configured with a node and 3 nodes with the Core 2 Duo Quad processors, which have a Scientific Linux operating system and a cluster management software called HTCONDOR which is described time in the C language, to obtain the prime numbers in a range of 1 to 15 million and thus be able to launch the process from the point of destination to the worker nodes divided by groups of 5 million and take the measure of time. Achieving the difference between runtime on a PC and a high-performance cluster.

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