Factor Info

ID 180720
Size 598 digits / 1986 bits
Status composite
Value 3909774960884885993972477721728968193219546585863346325675408866770252478921664859245949727854851185738070861258331690776550758437441793559282360792307583413740977178647503978631653383185511701541522196929352620491821699823693155028844142571722857252953631758283555069056176947333739003068818266986418836126097752576502192717946367814246377908144808380952945105686469431084674430165624245476771258117164797137404579318443346208887887832558065990575448670053735093843390722664931995382256975262198289711556669414400607977915776939656609427351389067622332497428106839649935505431640877796035567426729

Factorizations

Primary (ID: 143198) 4757837024622163993459686263516654200638031438861 (proven prime)
(ID: 180721) 821754705058518583891070067686079265429186553002658912896175717101331095496042074441406746507705306750304959256963018541223717740190318744958444643811614779561279866701219387341795287055371065714400156407010540850958291396647337941119441124778250236288342302795036997692879619219578488760142625101477983357298210031483341911009452609992317739660120230413370409623295222804311049170077737575724233201004383139285906072791146754579838134616468916340931899269037813496177698270160291969215722580618400685367087304968275404686531970193014217626730162189 (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.