Factor Info

ID 28213
Size 739 digits / 2453 bits
Status composite
Value 1619304049960325440005046283887305747324563734834287257646542235995170907758957056630560045077766854810693129965108967326319022772856689257121026513883000448210117853680219695180831771717958768199124733783810019841299497059037109179556531743964540066213032797192725533113418675758923666069693812455504183055768793152622886167787528104706854344521674615681333574702176819280741513492027218627911862145529507148395540059719576510032914010646668964430636880471877536851148597954737183889573661580105456483190216643454629264045492279552781547730965753471823895762408560328479006720330310141356129185898547314666327857294623029541551023723901000247970963934320329684331736034048450654615276189100105064537203200209087139550267021848076879795279

Factorizations

Primary (ID: 2176) 7306116556571817748755241 (proven prime)
(ID: 28214) 221636766594391243802879549925634880579080522923144299790245795278971081968895673351436376424780124496084333671992273486441844554070140206927291399736751738765020900873229515794483211679114117671739085394082419213345177432994396086671906925350134906662381049093201924584853719001543377901103520526334397964964680350978468936499851843863223498614969800417667419159343119738594315178139680850535024207829576583819014752660515453984189700684560449024120941276470895716896997333883642681654654369629166223404958829635244007777114208707762955553277822359841486636043048088270292183242867329996486537496276040755380093092823682640554935826265366313487544179576094162923641690865228489968973195260075754006156745370497719 (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.