Factor Info

ID 142570
Size 1070 digits / 3553 bits
Status composite
Value 28018221609893509945827665013628250555207075176668578192672666981695075889447153860295120639639236886425771272342727971280758379596024013400853782812642338899522781624687530431909042149598024247035494690736943219980481989547202133956035078152678119576805617456270997245050039610824444572525784598006127187596330928543653125249662095973549461878708592950177586205811206439447500276052150527026028755903706057575745564926657027401908721361426611148000364583417465564437810518423951748015401925427661892054389321197454726192151922936229875870297843111363682126014701114940592760255972517595106829666585044090306962428763261388077878202271368940063246466257593437015611451947274384771793235826419880904300687266122472115588888377173819803070445098154320655164962508998281359570326589463670445449617684206263631256240638826742396514122405361773714904994779749578038560802528819132545603130629461089758857748613548532093341051263385696760039451764954813680655275504881863821652729883878630475988749760682861806978865976166739702221329174424717259427916042395652165426057515071

Factorizations

Primary (ID: 6853) 8871726015923707071209 (proven prime)
(ID: 142571) 3158147756096625413155117130748584973107057368186633545659226282804997196995646167076634850825520204809231970864075255248875785366092130980952201852523662314689771825941010600645852690624804167190684422998612828800738753651189848649237117798757823422564577849436470749269368802064773653828223604617139783367427621071182260339642609551911599403887857961260254568461095888497920346408401217241350272394938003839303982297645916247640096848617531402659164966430219792899563906297499995353047531380668685685305660272140589960974239203473527667024140155492998850718310116009503424360094723582261965015451327551224787933797624453007586701702492823926156886148430423459644850747913250844924830979471159946376458438045337246546619725655218100962329651879616152459557863269150331607813258035143020684118313427728121337781552102529895364905977614874662019271341343619385650292645023761460759502280721671083573896648795940363737449472362763353314808295359021682815110669205353201966736463773170984067736503659245671589176826661603222989357274056978766383986919 (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.