Factor Info

ID 145816
Size 729 digits / 2422 bits
Status composite
Value 821287880876829891193775254094931469002792878448698038454565341018763745173548156659990224354321671949938699405045212051997444271455756111430440325988771625403129478090769803365125952170326296024235499670576488433042901020024834945523012535380327484143393544090153458130768888598269570408439408178349851219744414549991280527708446843712322352217546749496437244381470955583345511059085612829514114556839776320433307994267906597332754341909632906589660739583467258626458190851901307997626483296764576793966716854773430281388167411453310741446587557837945320394425374765729309242594368718558637279333281959836853391563988425521683601580946507545603693102401567165560076696706378341006594978412723643449457568159636660028725252587489

Factorizations

Primary (ID: 4404) 2148920356182437964673 (proven prime)
(ID: 145817) 382186281829378605323650188496494174483244405201201229454984833166283736918822730687232420234216893729824367376853923249822104874566722932001364238339844622562214377698163290134506855026404563961723656988021746384012484113237466059389509534143659823848071848149978399375736244813740279969568392657668418161239341480249492284504613089106818291110991566678285928535276485322210674333425383962070461458500933247677098498708000019575561644591645016191338281784415919119191590922644416169587633532508934980085032792076088980159180611234819328584508528087165262281219644410569946857660641400683561594058841476993355310512479284796104821436979505314099715762608201312260276439654223176862932371113406753249203127393 (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.