Factor Info

ID 137852
Size 824 digits / 2735 bits
Status composite
Value 15661891927712836172580849303173815710563738809246220091300215374334561795043393696857668424066888507973459839590345643719458920803067374758984013145890272822096357598669007603355913442002575829697885042416180028416748328842017932151587008837752482822636179805765283483558194698243118512999296319444587888438091634123051619953619409424874055714816160759304697370026263660696934841616286693918158663429371048864777106242321878325097597363425596123304244513328917759074263670654656151012524274107768036432213933662823599089433514071733497628587924616666638082940310897225630907792393255768737038847209920592226898231266858253279277244598663100968379653298452044932764407989956715194148097841926194565554976972646151683428606273848364228515593943303301474105444852317375719684518289853202174000172929011983949488276628111819391

Factorizations

Primary (ID: 136434) 52758171521205474158839779336871134951896640145619046102732332285095531824880639 (proven prime)
(ID: 172786) 296861916858087821824966487712497796995416546139681072633700546696116732706370787760601689287857750832146828661657624457617485977897264405806705448405386120733436524767079928387525105742112569744788005134980888055521340902931041943442284713305476246682636124251897359661973461133157046982261534852418471545018691572871352999677900262192210584272852899023139012017457798069775088500490670953493134154508986301589804967710845143626453111299079413064648353992233172497309919770386036807578259960863046272294837981635460092735168670262875722019451908360756833592058901998003767734973155602442314732046240387669380511442704718229092211630853658967883685034469913385956080593825063171911904632859380285707388325749017199527605455833783417922803472769 (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.