In mathematics, RSA-320 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-320 has a length of 320 decimal digits and has not been factored so far.

RSA-320 = 2136810696410071796012087414500377295863767938372793352315068620363196552357
          8837094085435000951700943373838321997220564166302488321590128061531285010636
          8571638978998117122840139210685346167726847173232244364004850978371121744321
          8270343654835754061017503137136489303437996367224915212044704472299799616089
          2591129924218437