#### Topic: RSA 640. Factorization time

Kind time of days. Prompt please how to estimate what is the time it is required on factorization of number RSA-640? I found results for 2005... And now as affairs are?

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Kind time of days. Prompt please how to estimate what is the time it is required on factorization of number RSA-640? I found results for 2005... And now as affairs are?

Hello, reider, you wrote: R> Kind time of days. R> prompt please how to estimate what is the time it is required on factorization of number RSA-640? R> I found results for 2005... And now as affairs are? The answer not strict, but each two years capacity of processors increased in two (. It is possible to divide result of 2005 on . Number. Well I at least on 4 would divide.

Hello, reider, you wrote: R> Prompt please how to estimate what is the time it is required on factorization of number RSA-640? R> I found results for 2005... And now as affairs are? Looking who will be . It is rumored that RSA it becomes much easier if to do large preliminary calculations. Also that the American agency of national safety these calculations is engaged in years. And in what practical sense of a question?

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