Factor Info

ID 128741
Size 820 digits / 2723 bits
Status composite
Value 4607471838475864428813817887984865229184170857402439273317705648993565014261722269291219144062700506962383790276227037305022412392946479220973462095002026644320673445189564748933990769493297885643560479253751769590523056950737855994647184164823546814173312628501704170580657626157483660107826343577954677094093414409972879868925115063639397384845122213032985894174654698365934493234941144505207932836472917974791127043124822279552763285976329724892400060568243584317741372906770659379406302018678344173788253413516961437524056828301212154627508651079122065988571192168044811493679079172880685925484846691489233229729533170760676129061341255594555243285573976694977692235821700292084687827502742040046751518622562686907325054720640458065131727770664768332225102542095821405065752487165185645969233728668046899926126118673

Factorizations

Primary (ID: 45757) 11739258153673339765753211599753775340364231076251272214855028095693 (proven prime)
(ID: 128742) 392484071664625339288872894395975417400677656797021100580744701335477437511839883087815182832309025314611142380007018516619055918287820789674112891331062636133467336297091452704532379688061903377205927460835628168930973971579985995311535127896305378646591608300423592165380573859427836362412505213814481789954672477417037725728597667927886229715310676717102338477021165652426126273159927785343102429792071347477766688421055580694329228458739292697358133463777649596872456902485154467035289845304156087256797779290748420032820417533316239015987512198617607625130333753057351807382107479452579229276200690122903078962000644723791939665895816320116372384145108019404697968381471355518722659256515409164490190884034744990695325159240587508785271789560939861 (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.