Factor Info

ID 131351
Size 651 digits / 2162 bits
Status composite
Value 580515624926118779699368477009874343072304965688603053992467394584551992074307969388773668993398743033519902046647884888647353630970793612826996944941320144637636209585584001104619234992424291892513218012807045184052638600865371199884540911750551523993753158082921254783411340114284066601811703413593142410276642838454724194240372433429027058588991947631362374684217436503278378024699188908151562321414316035860852977844874559567064451265804760153495838828064725147938231570560745585281049491339200287692578286088190409422185132744255109325287252149838128260850493473920658874402479482789649977382035760353527558938739103756704672702072105240282900991

Factorizations

Primary (ID: 116636) 227028420530641785714640868562910592003596343522381340967952548691408209464649938361 (proven prime)
(ID: 131352) 2557017414688691806362950908978483248550846691396437579842241275280357434782197313093028495992047561455031855803589757637983113557673179069307297578295376154483436440376219730930005038617839413935644453377862529090028133471280313264770051976830905944310679892016910012616846101588114608616975691301611625782549556187404121156877103190217631905847009331206379452976258051373249984060667616525948629014234913576135216977727755804251990465677847877156096912104622106091809597746706624126992638348589234681063743182810667096756058749170307858077654431155050629592138643831 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.