Main Page | See live article | Alphabetical index In mathematics, RSA-420 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge. RSA-420 has a length of 420 decimal digits and has not been factored so far. RSA-420 = 2091366302476510731652556423163330737009653626605245054798522959941292730258 1898373570076188752609749648953525484925466394800509169219344906273145413634 2427186266197097846022969248579454916155633686388106962365337549155747268356 4666583846809964354191550136023170105917441056517493690125545320242581503730 3405952887826925813912683942756431114820292313193705352716165790132673270514 3817744164107601735413785886836578207979 This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.