Factor Info

ID 131288
Size 878 digits / 2915 bits
Status composite
Value 18895557170467751802109597054615548727801274836532493830475686213594088538781464678790942916345030502094447794873132285604924118801436639368084636405960526068149398711447029580784925763614628503583573405182317293248971438969895228690548632003282425916265414301388412662880837610408886095812454240572375744730523529710145143978050208579197964828230991962154937232548147957751777746752238595261546383410850440413167442681521231241713194401050709649121606904887534625732982589951506482838874163034768166591026752520966723207008822615325230677306330406822650665434127087647268755892035933088818286093620459315565847992261454220942090728414057731098789260511426359215065419882273212432590213103061963083486043988896816767165246235557432173702742610746823152732298976950306613736095426147196379162317708170356101219332159801733225930278504912766923813009230293301051361045759247941421

Factorizations

Primary (ID: 568) 3565521683196754943245655497577124992129207006684416683019466576624709676217 (proven prime)
(ID: 131289) 5299521037697485470910336621309291788589093964904662069058942077658193406204420743298419217988955635545286408334690441016251758499405582354555287054838208433288799146307176175221708737489219730115814701488968570677936726070510433652533329278365417852788399919341383191869054494876206114617388777201127478493227309432863793222069607950533634910509480181173548382346065305410164562283070905764664493832111156898927325408761994581415679240260721560901563667444961552462773150413938470243848167580089404941410138647410745538798674407209681900798022775219150386605319321761930629401210393943806138088317233406477211489338987772418269970200568423084698197458114095722451580429454442930717882163751656627075924508677792786288611844479784978055276402723791884132201229316687250673578136454421361378684302881813 (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.