Factor Info

ID 153736
Size 879 digits / 2918 bits
Status composite
Value 208253459582150220276389721450788203286541182222797495382142101521215273641062162672308641832591804642977814530576714178247778317436250548518582706879191307206374642329783988335925515965512127968536261438555488075793514931127425158772910552728338985172752383184435473162881727657390454207370054474159848048207999925535379540627375439030204019640977984933996651293620132918601085627644069713609089381704821496671226022926460507427286089501387224549719908016092295147621890482407517483407921528811743141227081467883129551124189114323988072927726158149819690271282922810538831380714275284857466737670207479839168407021335841239774784478541874163388177477535916500116327827717668275284984750232498976466052112754501705494938057895371020628719865520358635557344023329446695292560537747275580036891177300414973631727655853281975760457524201429345936204239147794930427383655060845157521

Factorizations

Primary (ID: 152180) 269681814129218928977 (proven prime)
(ID: 153737) 772219143714173064669864005805473476858602669213536452990395229821647866754482208433445370716099962354171415743668441386200206857539747158076613063367898629776821913793998805186773060452862574745440139082508192002468089767965672532658408712560470824860896611475086963113287654487357897915938962495187439436592144417553830071090222045894684452594764585172686664738008130972989534396252693417048188559360239909365009067762138694050646326730927523407011226124529132895830615783286695049764174522896114874672029384761003312912675754670885288475103315823295219570034995206665507143539273583649134012627480188092709223016830667933915961879260112644545714648787345195197208847620321716227028875300682247045568537869133498625312426206000109048403181750990334703852076469406185079081257604479261927858918941748114640455163310839143649639143720292258387629720769828673 (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.