Factor Info

ID 221781
Size 1273 digits / 4226 bits
Status composite
Value 1302400331744055449893006329429599819346113476613962301108239068664092257651849378299825758314742182710471720393708729071261839321199153583297007305139616592400149509774233498180295516758040497781506167175139332390779907123311955561095865830975424115207704373980310223315473081666875362536357914742175897490361993740150249581752672360412048028963703552861453290161905428948378688372211401347726143261894414113456396106091232795838617551799910248158243530044420080520794614621432184290964380538719898932185950974873107184145791315445551201666806236252244150236795355587653269867813936777713797836873633929161457399490679632971478585640646806512726459295350855553744634674162919129755951561464980583421220815351855811323110978264075351761283452222674522272098081493650035121831821362229707938529852795859081993585624677870837982577363760027667791014983779662633502747417286756782188232161557540096662106116642002258563616955556632844090521391189526516757196640278280085059335310190847794336540639194707019465356597696557889004139159147300992155701345302020462717158739037837684170055221622410069353781546463336885528383804338265620090324651472139250410388474052595082247594062891532012332940154698940715404069814425270811140659262664575688551451015619494324952178270962291393

Factorizations

Primary (ID: 221782) 437952109151371560463 (proven prime)
(ID: 221783) 2973841898530280536089911279373502824063627489281285002912015093028039360185811888703829256109521933526437039906769801343853079730358367726239916127927821661882839363567613592736241524564837422062667997284641763112762260169852361662792043816262921654931261595970190285194405915661328928009487412435446907281024930810949078760784554784184860909376118482280401594579707400962726946143176113829959922609769337101799174440104842321914251222864155357395688096405475480014788123863355423790065917587402113114036715193755884701521694588499180628806111335047735798846689342284414089726032228907979989185627336556461663011077297488590609367472677995461649430268637316282740172441667727449356794432764939155669372606407366807759892194775638202974017785268343855997536979130392316723190552395432403779871481797259335139638245973351179099527910861667152600153502082729895014959894976558128999141234335538810326422362279326589988807612170257735033801533310035948722910306024959683519990292522519258156592319366075936107418604309140223546924550727811122853862939756508919149174419628264993679394230632380246705008636511949789883710794727245726741011294806446252909421603443304300515692954394501783770311119525152723195464596191222907093989322182913045966776715160111 (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.