RSA-640 因數分解

看到的新聞:RSA-640 Factored

310 7418240490 0437213507 5003588856 7930037346 0228427275 4572016194 8823206440 5180815045 5634682967 1723286782 4379162728 3803341547 1073108501 9195485290 0733772482 2783525742 3864540146 9173660247 7652346609
=
1634733 6458092538 4844313388 3865090859 8417836700 3309231218 1110852389 3331001045 0815121211 8167511579
*
1900871 2816648221 1312685157 3935413975 4718967899 6851549366 6638539088 0271038021 0449895719 1261465571

RSA-640 的因數分解跟上次 RSA-576 一樣是用 (GNFS),這次的分解用了八十顆 Opteron 2.2GHz,共花了五個月的時間 (這不是指 CPU time,而是實際的時間)。

原始的文章在這:We have factored RSA640 by GNFS.

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