Factor Info

ID 142945
Size 1315 digits / 4366 bits
Status composite
Value 1240456474594373213327603971078883446514315828098944781350616455367366107872394049289563015094727413506905756505650854753805343842298721484638200063312956714700755081112513573410416257231614259355688974653759714736266375428743211303322186481200227171737130421555095688876140498912422705601813767341312565643051498902049670117104006903425401871281871227551549331401474443659407608099328975913970962338153055766292586573974813814069987456509208678471185395216484626363344203466520766504103207057606082720230839446774287174770951171962150332444260677883162890248938205524902441131761281615135758754034040514093934699442725785844997671652213336329732589931534223976113933706880739190234641146132021489012886098141066001360265168536040628546868914277197792867473723364364485371870916102058800548639830414966071814517107279797123636443216404876808177457511422314610229794243228776563354345112082562367830501756220317771421352620504197553658087984988868469430124377237805024164303036721414379050784198945333925671013201765200588653967266973959111152481398341360830244133415359783561845080377437502666337114598291388509522553241647770014976361064410893627411077315965715309203323905769471621282149087882357321660633076585075673981371343935874538390629406183398489594944699876320149363741907523628843950273953638831288925439

Factorizations

Primary (ID: 20811) 172992716783529233443 (proven prime)
(ID: 142946) 7170570516830440380660146925562608102115075876055372835531228372193528817244685138469670764540698749777096505711916578702154580551451444768739588565264068556922311502617113835366152442361232902801005317597870945439343211536218368378950787004146038690767871771853826483786714181796454798889339329827909012991498467746296019815884194190717956019424987823393101733246782363683113427367933052191364640088718001129502953386662572402260574497642396122578039358345920084708548393842745479568214770181244771092730342339588890965362381165882473068005857138397903631768283306259632801985128603571203167375649449373566084756351561353589542919587523535294816023209125581329991200814900097815684277550640922923320945759851291671021578965596981117523892915750027777774390669944966995913745332478781400509493524634855960138785151818386559922629445020362439605332374759172814995914427762746245296111479243864209576801065019545294094823590200540186177235151732648133323074666674008784978924748802889814799338779399334796182916331158610824336991111998230818339215191441106485362440094899804765561505928300111785443196874207526614330953769290590881393138640591098508615303878465413132948406443437200408989460072508946473684146610541788985623745898713101695875667471646802983887224598921945239646142267130276518773 (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.