Factor Info

ID 157070
Size 1337 digits / 4441 bits
Status composite
Value 42005612978565823311774817075701684671556900035968403583534932847890231694969187583761814524230437226255683475342818570528567388319419643055679493790368114048191732510380695952787295159313281481822712328501489564041393986915872532228809620962372293597690847134862991077700339679954097035606926078628562607901353600780684345953636726354342529401720487526874613182631551682020040100242418093829584606029270143419847819485363124586494342399755043115755651598413104765702714917034048484071917789039670839058355123831835350332693162914358236886442480327644298307128750935572142499022590305953145554576178373642055361984679782537055065556846329830292025253607376262622093589679541353444803708182543330468841362482013800268406630959141152209866840949069211828130561680819513961515644623228223145360532483811740145130073044746756717802803263979437989745962526295742209904400801549399367424914660777876271284905454731322641039155471914948860061854761487898273874861252598212593689644140418790860908355720137842290125708096029080426015532124479529490464892462267921616959854199899201737933347459976380946367055390054636337878583872912446669067124570411033056322563927331086195933775288422528177480300014922129716671530741294753518895946345929003365814777974753057882148998435954012312718265186360531133432437599777739788304706245815911028795511733

Factorizations

Primary (ID: 154888) 423429076053946275503549 (proven prime)
(ID: 157071) 99203421196361508771356283960293140270199942004967492400621053571971855653449577140771653089599767581433424358991947921884017337519234370065611678454702790856275693352228429137222355855499631000953956462462012116239337521364757495688004827155454007590248986071626365801452253991638905471500131318634889045696388658864276133895662105114441732917536229758479389924382490853496642555651574140265986649012733711628913024981652504261952765931253455771694734177244306716773703807929887513809049612174896141285044169561413697358949916961737519091380375373081314913536504718313623671779338584454509046705782998130704118952723995899329257399501365333639467645301433616680210455306509317086340695020679062866374600200847204941723484411441714372607407402405252705771402592191645326224780245987938782977524253566112490344136049133184069434456223169572830364026257931283089614384003093761316348961146087881787899540402564125227181599586477642172612110145504834611920963073247223290535710058868466812672082434414359988925057027379517478300452385910074127147250935743059685007036954986805828371734584756729039930171207105322143288998957266484616452464419510099547792827353850843184146109446259350131587813128467724459204801599329637974105375889648711811350978150885062766469980558590028171014693554232386607359037227312817078617 (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.