Factor Info

ID 170870
Size 728 digits / 2418 bits
Status composite
Value 47721410049131157762284193261025070774105524329761472264318930179778316258275599434570286886049137239700337436381221487072377817233879538327831299223833780202753200476862240666201774020478711004063897186826216250398355309676576791953027135262349580153812968534785710006614978180659849448087350900036744303719377386217851960075766473974337178329891053520531214421442227421199338540601415410534827557773015291112361325808295529690425348227806068007846845611903029811494749525426274775270871576642629475235480606670862284822082594088140997556592253827660419452748813403971022240486509157054438308940572242302418856331829555678734105221249660956937566427599562977974220091201639250771673301141600824566394562584419092297176300891039

Factorizations

Primary (ID: 169590) 2486659875442265094528203519052999682443295585772151030375239951628276715232443 (proven prime)
(ID: 170871) 19190967980952225118483737301595094130720648036355394985130358479694598613720661758582828780233618236002768683266938533370250832256622944168567117514245381715175759174681100987767560848646802145740413688608439450866065814011975609481533376422480104499173132659741777826425143989170646360246482630028151149492161147628198617363148414622878915815766757780272264317744376894272424530955479971244896366040867406664821705199594410559094138126654680835495568804428334399327713608504361539571649713073991586794213526973651893618491103813349774841285861448777965872844552867303966919570177543463956889576883952231481690077615577021248430569222930576095268973 (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.