Factor Info

ID 152753
Size 421 digits / 1396 bits
Status composite
Value 1309014401970721331807459413641268592584133289501201471007138038369527315379131367253287826757906071711001803712191875122458885106513114035126351190107539643306628681803833325581641794971557260590430854100754374261891191160958841595425707853185628322360293436683530326246316831190657924344786815157637332810506698223818825739438347776023773083881250623854857266414880032829469223858177374919979003235590815175396473239989

Factorizations

Primary (ID: 152109) 526081259372584273819689055937 (proven prime)
(ID: 186858) 2488236139663822688310034706343729710742029137193205779572463825848768983762913657796681198962324653711054601072753068907834584704306204494984805417147697158028644390493532839222473291755659088083111855345662896674648380505989343048015684340340170723713912030442181949004953986548882448264073705462161822652008187994776294322640907958206481503611584840784086890887873340001438774904545809397 (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.