Factor Info

ID 138438
Size 1168 digits / 3878 bits
Status composite
Value 1257940462435078842914353250766886678457777231630197487450736807939016069896299760260111592870427042573503356302851642605859737083140043464066523350419867819882667955457217800294602188025319084446695410394713184116228332474943805458344066693725775019051856238963746092890393297317897354401323550460701158588821672514850937189797404685246234126927609554319181169256061916688168095145026316038727698229487375682029004545083060125417929931658381403984625177444510470839430631108406628808445651217299299011170760341166872949674263987689354129229914099788632875796353211045271017734185534743365148335478520081320689226235865966142856514226404307231495914461946935568230975936566093794918152143119614017546520948747238302827505486267482406050261655921401573179865068880198592891741174916709490516347185350473115694231580031952838109778941900282328950469884409904365582099582623524808873707548044081723708378571424285325370157338717038228921812529747229241557712691579959345635007028247281438304286842267724126516309055638706316421624283719959793521527560245723296122968113486881182484294541566445136255068992460927759905985107935570137451307499958258196164100472837455014809

Factorizations

Primary (ID: 171465) 3238594121718623257964704701108025014045019703 (proven prime)
(ID: 173422) 388421770421644609904957099118389146520727516694601244163464457856426806231124491741454481799517526564862548038583103577818495167388862453307412387319568752564020349543524718885395286083225316991316835443758819808871441744388525010108218432420815423603074192079840140647770387446525923074770779534150294275430342589246856861397806703328904924418507401790861523352305674839319603416367979998911253171723938316561023218811943587032860647299393353085575198558486791231213326877891220620811070176483894116271310926482457455633272139879166574016969550918042133625723622206680486440650468614132833862705601180596153577494516684130594476506506103218045235480412619761339727104440502615911280929993672185110243701329391272221759337573434937325952094090827607029470345590487448915167675387529850237326923251379112322635923052108694265702712273453514695587265157671184533786829491772130872667430778460823440325121341058206013201542971962944841174395317517654074304089698171026605572852843011959559313849347367623366234770067281499101341886733963132805082206604759675669774589179760842827382679040537142125027918160754385352144841903 (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.