Factor Info

ID 156980
Size 1155 digits / 3835 bits
Status composite
Value 221934137703586123962853638989476457861592765066536351153402502155768022690095247335379038946579511566371895980954875570168017256410130947563427738931566250389194068427719955633593287395413155353013087400851201683027645755292791737364688200804542445272374073564970876760508705495715380554459703971254476092701207383876644068978994140772366161775207203174262250776190826963111895406782220891602113298157760764437835064179282143971830080473789027205814770238850142306398453450618835947106022307014969312512268855976400026567198686351831840743678544559724378629379460368342150217838278179151136240323215088350884062903762710639037587178814844869034935228354811419503700736789746372264904638087849969690885641979045320032723663467906272151862328638036095420648559169765478466939487882185423500866150019914607374259186744932456779193498046732695408916994901849380563197139820561031978915249987845616588135678091328866946200438621835091426814608705381295315033440764419987252671734557630499462930148376505371136813622917408502877277035704822187276973657465408037685946901969093514225989803823969471951454692032964962957744394564698518235799866104206273361147351

Factorizations

Primary (ID: 188866) 1965265126570460399197718996513765761238039472102128722677932997502650503472184879629042698778658514176922663923067448072380348767351901 (proven prime)
(ID: 190977) 112928344732233840771957958726320456715816779304822305985195600142574568124014616248602537228747725937368058250835452962216379764663866494243759107174982421564238270994886841110059848529690952057745362290161668290761367004220116693365493017849609179094704192175753234028783969228496058610996902723645711696002618695522483057453799799350311044263571736333552142670327229703088264913975675998031916886221330414432094965292405756810278714315119509909034526537377964265305830519852835144387919872712805013141861433901195412443714622503414123388486315628920416569589773289825261285102945445226331993452490782084043071566231810103114348228489604528407715677873271038289541925774628804603885717934838671118600099431422327534593466585305066619226708117658014728029528211241466687631073770819531261666838913949922112613082516218839938189625624241605768807418377840650266646729038743475346315999700903807563824753775410003506047191836248518389253883711447713800167898273944168589033707261486505213185156866226030871956631349440451 (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.