Factor Info

ID 156939
Size 1265 digits / 4200 bits
Status composite
Value 12919467326969491367374095866509054778999841949582937405129441424089449962777195297558212174976881656547308024622676947676116304016291735930141324586881485902770473264193616395720463015176360846831858142336617641662114634183793935177058230596569626059107294194092077976847387461218654269359942060061922913027689160177357192311428863536937482042463326124640123251628228653622850178635306046839302824558520364485748737620140229907898859044027388842745359513408685526348754828576053430978862199773912844313965037105929172032411626607325870856821950295024396920595264644942243748411918913346798362443539626571811992641949796409757138113070078059728093652682968400710394728704374871928084543593821366122280595519036928427202098846978036167372362375257025532888173651214616821992776771473904656167203189076066831627805283034179008601621166791613827404182331997804831201306914850467086744608559679031500973845471128397365883237943377358457874366556038905103922945742544017081947176929628726929825964106232984028655657868003738000715140531033163355337700237490107419505812529345939280915279166730043490889661639658553026527564114135304782465993428411684358835863722930488336677770215691346193008470751910807863204845694214874023637388629289711379966517226953015733038842639

Factorizations

Primary (ID: 154859) 130355888546540681503 (proven prime)
(ID: 156940) 99109196147720490857953700818219718358936485926106150393324909796186899211359034060829476767135749685246516508201210448791441294038769682368133084113140997373077387973320913808070678022543097852241772500399703486880288449763893031558963824372404650859269625370355977952492122928529065344270559726927500838730562531283216367405997287894350334426899093990497226232302010192200451549018017828658904537224113683164528888624127154450723545698225787433464253425624465777248642419038868508922316594256981294187712830164247502388130724305689089982169647420433419170681095461999635627751908055105200266809184671356178181220038867720789561487251598510357144407671367266637778583015421978643712316445284965312803946116629147927647994062892666239580269094834481041049771729957772695001490084865405570206135396869171568460619757173381120293815008766451339099896260637345190851455525429376715510864096044546043990320019910916833047548478163079524383943126596013225599507017757887781186760191799840084546457266729264545635092259417994477553248374401933826116396246891002843903854884403958058145594801828373164863012092653040910370239322493930179056828110204478878001891623525020165051988963567296641289926294521108376697488547626683256140785057986852152477713 (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.