Factor Info

ID 199173
Size 1072 digits / 3560 bits
Status composite
Value 4280694608441558217017073595469821271619532499058917272284123165187178510218063992723164688927148675141773624896468589528677940679756764404091656108484607922711323473165174922062542448098363242687900884642200634018407884958953580988787267717745887238612317820736721416321090371353226596558754457821550698840598061664375032903771309374647003522227160720087308738828986057818307914220697133211966345031497374378685120365530258941805419839506724016526100675690335503910911463749765035724213714796753629635305666168835207758866295889553723718910043308169691350033358766821251864024112034724184371928290523897523930836610824961791177769326254401115640196571014987877882197220625994787218508035533404676002882099154846284970031864255682754761679011546790712622697568449702953707482619759950748875348300843176631606966720760190580718140878267455877549253159710308710761544985805692603890687236539011695045040575438793683021347650829150139861665006266426972357843503142672977391036106566578476061740922335408434182634084907554165381637134140519414480566559025555672220943772692619

Factorizations

Primary (ID: 17323) 137689956396351847878289208400388115673460380831547070675587442712985472219641648842509245925663 (proven prime)
(ID: 199174) 31089374421175842454361816172449768852123874939109635723846344348103514583464095751192184729923710610455904331591760766832164136652781559821649517346571463496005502651452925728082547920876443366468011087036638851098420891831098942443490917713777316866112853895284734908701446308057809775217115222025244618978059071598438696051722970333996698491731195425407150082698255609914866769405567380231454203229232782157648587571894678855810154452334388419931954517179007309193698341306630386188049291552408631250431894405234655948059780124408682136672771197093627900271942984484650207502054324141000061624440469546402034665631064273472667092019956196303741037911775365845313607342889840250157701818036076100790927979810129263460989267614704627962976595095302507100311775284394751634479504951993212655531608868723239886628558651184021241156085106389140334132401043337329735529462922421218299339751690907662405262340441254589237623090560124476726410131841659992417289476321386588503093013 (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.