Factor Info

ID 21817
Size 595 digits / 1975 bits
Status composite
Value 2515698931249873204893002019911146793921219126688263901135885933621336365940852510752889225190786480836942193073386933332840943407263991097663820334776408149443972682996514652007273071324412039862293006832435371048399065681706004010706377632427858453898594432707649157997562386717775139554613424093753685485704850872545358005525194857268579179499083185681601987500571727812033695003542778184298169613453300858818720010186592967416822750946303205814577316728296931816884351089497476337968091776428627081820438911872114096495416714246912627721146236329666062297581939931885560010240975154535473859

Factorizations

Primary (ID: 16351) 486307761332920261532701 (proven prime)
(ID: 21818) 5173059390116656846467991885416471460573995669753825478078982338999313648684826481814262277745994635932515659680300173061809739050875523967435384636778646645031516598208733803141700956157604138846895019523932622866389947116625314468946937660008979231682821459490920036521427604229946342737421329068032857124896647302486471245658125506479908306620066064621633563821900022706151631511418315037648102501031691141672556559564128688066235550045711824336500010112942577709967858713872284725180477060732636428700654501957759523865684407078407267800520855627770113135077304894559 (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.