Factor Info

ID 161761
Size 384 digits / 1275 bits
Status composite
Value 515437981309631742836865378010828860547700252618903480350352564037337147623156846951705860310553881602000496951820037358961650892026247731295478721640217857881181557360726668288314482665942064912817010386366815101543697766876003099599457858809540215500037317143220635046167884752681453036828828538415575761119581373942390450509860701872328699205934988095418228209889043595184685197427

Factorizations

Primary (ID: 161111) 30822165800142669793 (proven prime)
(ID: 161762) 16722964396851238823977134076542358986086133768919862268905530884330129883193813731856814705946112078284382250401638055822929063075154439575847797636040899007588289365433889840905467072893212422890769728416942086619357112850422449888839753367407639306026256477304758557297291083010035261005410625323585562417702161077028153020101800835351370747665895073102957603539 (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.