Factor Info

ID 170871
Size 650 digits / 2157 bits
Status composite
Value 19190967980952225118483737301595094130720648036355394985130358479694598613720661758582828780233618236002768683266938533370250832256622944168567117514245381715175759174681100987767560848646802145740413688608439450866065814011975609481533376422480104499173132659741777826425143989170646360246482630028151149492161147628198617363148414622878915815766757780272264317744376894272424530955479971244896366040867406664821705199594410559094138126654680835495568804428334399327713608504361539571649713073991586794213526973651893618491103813349774841285861448777965872844552867303966919570177543463956889576883952231481690077615577021248430569222930576095268973

Factorizations

Primary (ID: 169757) 18945192042263643329363679815237998895600231463436643783970528592014150684862109085125696833486419183518228504356261630974269369185348253202343 (proven prime)
(ID: 170872) 1012972998011331615338424323059521381863286717214963706361782997669135306565671429234500168334474965679796497832824400399375382995065655872838015774627721691199665459124802704058403055075413083839829518426312634586573673578613547261716363569932742437674553322363033669407578857149196296977088459724249222381390829573728965148847008450671539613577068346905175901499336039043715565491078101784609927567729240284729371919645878122214942867323792344642957852202624819394464604411189850380106239515199686354942411 (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.