Factor Info

ID 186284
Size 1272 digits / 4223 bits
Status composite
Value 159398679037919734388844052475544992518486444046445944320279153961384962168112856241428593118133764764315796151778335151150861612931795236894546997717278217104994948423171968265563096515290227765042564179895429184241285862271319012602030282186512121275559955359271214508849630217588781910676481182018997331246007857107908140927398064017982315100583884894061370389980924279349046954016170018625348772030551709375918678915019217870145056678209074824980515634676107437154888390023975538085361102744935132146080429477863173651848035603538961215877598523266965826964613831079718879692230095943699324074483954945178283366121814352744321076159291711971332084898727649403750650447919187848561559157611455058946371028909394977233551491536421902159339377656171897075899833036514243023508990683067624076916214958032459913142988702052994346113879508087615744229766680811092196031508151483307644687202199635254100482888278685136926670748263882542858814349660100965327968335599997789768112667181184925011214130198916535902136865779659738377946124246908451995484987068430242200712376893687607081986697282420751463421062894881082013288142247168853003962045867665893123457413340188538489337937431656112671990152492199054397611887912917870123988934547514055530893853098938201766718095383007

Factorizations

Primary (ID: 183822) 8144571489120745945831283398616719704167 (proven prime)
(ID: 186285) 19571155984183982235842116435405827249377429680928027403893088639819554332336579495191604780405093997509248850692949967489870107600224430071350633603457024957228436540779506491124920489652946085288478663250134704849325379689206399642050496541282871173496735197536758083270137540920552697193972685566245630222342673938102850557119216214791500035865763671895086817280503921180114236891371412568983931460928102912810871556099680674607788126790911892608380138620363935819967109379230451242999960066168243186077486341651404452825205239223235032822183309290174554595190978478958717279521834631308101016478169860834012242956719468790052715039106445122105715670393024152773851760803233889185024767755195624675448055909291742591379934584143948339856166666188143953019243367646774054317139379874182652291568495741535421172990974403433946021427580812607088573324550175057532154351893733948086482239400642909147772385166127925716713292280077638106567274318919862981227066686841984144913835899188968275649838337870524075300931629000755460402121556666469161947269370977228927783547268406722691335003680620489519426912322592843880693918889974428427936692820158351224895085884757368680733804455319059311245324429211480007183323579695162537088536521 (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.