Factor Info

ID 156789
Size 967 digits / 3211 bits
Status composite
Value 2521423400234985060715803752787703571057450575481194654107543541406254150911314077874305047773800681372804967822930616992614150353933191246781755531359251960286050664669968107583953946971317101741674113329343111386713136905726043422188903147701976179383806137590307446250030662434930862482181765339510806788866458503404648463440994443904775170292749937321887596164094773272690853748190364342173672136070745666873688204242489245485295922561851206259095332113423435807740681410067616259636079121392451484645723948608400696985019124455840844203365543313652958447004805949080636774373238843927656021412284802127540021969893901411748779419961371443367659264117962485258717455593868643852016374143960901805122058849687666384578494408177567061561482569250000553547107722096882245212808958857080155247875709369269351970543582041470656747651142703051291867851648942994595815017629189491327724517849281453071143631001347581292923552839989156179055371504946412418629775570471457

Factorizations

Primary (ID: 154715) 19235533383829731610441 (proven prime)
(ID: 156790) 131081543200388131435110212733308472445175888065844812420981764077605322920974989965230984890753926523590134746089249627787216459821942038127939173245394126187546212836026633658199454690033293424963758297876196491959603457823836885137700719807431327057477584435922724542457463688023648928445085681543165237025411885415300624383731698922170128968801507982286828084484451278091697447368628523873627339028054038926239191089544340245498622038032663026697631817310637888330327685898113571859801884339008312680585893193947627492715549323849950684082132950454460535408692365565067905441558878230983165566642593732913776013196091169338656348633249088744602177608126271810284083697469483924838092201425482570027637181689637549466704118938076542977167742231805270969652735159848304146716759743732762590637596244097126839205763657983791424056245538096189869972527223734234643928506651517371843376148919424053086689945510297085971543786917491048167903767577 (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.