Factor Info

ID 145402
Size 1283 digits / 4260 bits
Status composite
Value 20581207755846048816654245911439102418313273629022644648512157182392650507966257248372906297715934275235598587839629037014368181749693256299160998860753429099870859971928071716680464666741838576457425900706491633944784802198015372318114981919649597807003374970316304056313938260347473624545053868661768611058339529074251402905491882443795465749774921422809038867911854675460189146041340367535748749211581922419915773879077465435469289842770905740563112013563746523123067082822206063031115647282752489668915515937833165818179292411931411775873201305848434734759162348207644589803375982306076778650432840406541921006343879316863193174699645209105422629928685588624714856149044046522650898581765314713579954209458305109172097346810350727488609512705389401237057018589195194116651823361343998983796921745884500492780422214204282196062319525153583066492505979754691049395881115108306948254666503662612045051416949003304874464147453775495117731695056916718106901527624840640866576239859201840741775914811020335223745685345281859220483425287875220685009990928370182109987768171294594420451605822565312642889430694530437885517762953394321628243504153726078574166659709271221349800380417377346150131328765342766990959451967978863694603989702276934921180860878926976494608156467209876828004629

Factorizations

Primary (ID: 179115) 23048514562805272277677439984392303101475120349941 (proven prime)
(ID: 181257) 892951591295134486631577939703670499217803798944796457277967988681187429519001668685479569500733059487930307324754392460000662950469638125574620503453169003159630345643123714663745238773011775552307235279165962576966397847464472785655577465419431098201278015597537644943071939639573293135787214441577123999943856355056485972114551224913304140733433902804049893713779050481015002665339075467026905950155122238587831534153480105849334665953277281131342306745175540666254050990012470400530523038821936876084918393899072035809631231734927102049595141595454303053740915634897444834656861155283264293685153658061298772075164944478830175625066301816426621968784406702489890371072604470188956328664481587897079754590752749707974834719166476763084946731670307732352511584131766797301084796895711073154556980957884072809487309486126161084346215482076603159457553722543855937697836620629372753143234368504111553400542613097239919401038700884702281894310846859823984846639348446194939121526218252464924100735189060814446386290590908453582139395327171767056010456383131007757847540688774057147845270913469193174064726678644263802150334754945981261337735653568881224921774109677012033624369226246718104046011985514635738985174652365731881452900769 (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.