Factor Info

ID 87913
Size 819 digits / 2720 bits
Status composite
Value 393168815797856178318539264758520976947720818469328349920813600344981553167820143147811726749636142259021149371941971103772401167097445670816783032542034483163059682695592141167374347937646595840114095306412930369068416572467376212854927468617137990125200832678597915346096470532058380295883009315523111381678695294990060270343038899748062238629339675486454604885098030864221119473383155006841880741902001944114960107029408585108325064204540651723903695994533868804699904601790692909625491604252566864569472084254669450562187241241218592355633439925529683426391750419236500505957068025408069046295415922427349169358258241721697459783278127218199583726033515979533331653263672206467863473741199156227260568256486514803515191524285156323667643679080657673356143796662161451212407843456812556602672327936958732936252051649

Factorizations

Primary (ID: 10937) 4148386731260605647525186547488842396461625774241327567978137 (proven prime)
(ID: 87914) 94776316980066276964932457703573828094447261759150316178719384139245019015587144476682534623379843343700960241760090544584896558929200412696837537117114412329131037061839711585453639413515998266062574092165504025084576194972404771265546465566014532140467869936355053377402895148719269579965309028861606304252662322621443294013690691185776384098095664055396477719449955928657699524807526234079145246434756255015977471635712023339128636659623780746884905273751734170370014495385911001786340585405576565854605457802816367958965421400116912455264685369871890350893372984028619578271674350722406461956158545216387350950976835898423231811968176899178930372613993132513217485840247743579754752979399604115329275671685759883700867559480011548633300096981017425462377 (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.