Factor Info

ID 188704
Size 1302 digits / 4324 bits
Status composite
Value 261902108412273304382391566331715374818619435014235054111539552742072558570151929616948020731016000198257557955186195645431691178919327762022691787027022270787041173582160598059048578030883550179667952945999644931581843292869294568300058783462326547036333259704831631648211606196556896301975177494633663794111436015837874904691129150196220964506018496900366825506589164682562673869853040627058603478800617684589467694311825570648497418173939320800120510768364533538554176071789686011291024407327585006437399145768810054816201649134468260028862864224160233632887745196596580748626318760907664259693680664266911752027623299113091822292967607311439242174676058709922898956476487424877784457704073612323750229018290607085478708645124942672733045741930427458978882732008317745949241664319591163010880059572146167968977988948546966430105215116666209110988043741452151623804804721572327191246360406179120855152468362586802390522074633486571103937386568716362563401354437656773095322248147838028279982123453489791414820179204757097947203061704564356601736993329505276637156762910307794729905563905591346057715151034368154471425260528632005365823246836214722728798725013848899501727088832533715464054122990947200967209071656765797767514050926683150044445300427241019068079566144108942127330255996988368910717931

Factorizations

Primary (ID: 152116) 158985017190821853212316286451243405195739789278633 (proven prime)
(ID: 188705) 1647338302941623464728370441061805663199378336499908975921397394985935814193032035360609455290174819606843319299511657241739852555892329483171435554155624869226540974797963754462539123464010430484246018867471955933431602327733643693201351109035570554543247490944038164448717351664234220826190387044204357312033277974779649386197160358687163975878064485701378332903716174523471422039137522782688341149576877261743504569985533061677507016181955670390269461389724494010393389145123301208726362889804251030106042494241983412379176464627488890084784134708457199590437118509153330205404784290195492249352345552567187286923187050952672450210812088451611876609652101703492325332016361494162044653410992591868484029512738893980062851706402237915566522135736367855153487513010761576355812660858684305986383246055851872941110646716394797926364269051392430288437712390483082393839087431047176195151235562078436753568180042983050346372450240028916802149740066364598826557076006695565613177207620791701279381726656038806790107900667343616404694581431908963334537686259310141149610092422270843726516339093087657401263309521473467788943609200223725475018180811212377649861018089107943246828321916626892904877857032331339158027056405387423663762940817498494739657947507 (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.