Factor Info

ID 137972
Size 915 digits / 3038 bits
Status composite
Value 291319556300065731722223568655457494282151200938016922388742956806836621821823390251843495123653700751581029646373906338994315414090801757182196371868275695189192207560208945623651757553883698725136686639937394085603756254062514740953922681072646752425506129429706578143311923989395982013218221948564885930191436772284175887975986047702624664973588657578865921651094053335350132499123040678702161869047555776344502330780380606901402381711696095750531582866712963690909504179725042560120225545426934716448285880593580099241927426871322013141934514941522152877437188351235631890703096617810613764717910094279423153741630190993068041937436986046467592812037524883008084477099773089904225546598820008724495888151987330667479735363447730570238598465977269316351719048209520456216878070765495332147934365213083033708055750489112814187283940258415550721262272116493067009583308650941517199937224979047159897932890203155451

Factorizations

Primary (ID: 136547) 5281349278421359537081 (proven prime)
(ID: 137973) 55160062503410802310588511508458712828246728332536874240358176221072229406463992202500035442668764958470907238537426396542541525910138170736883648512563735876318998040495669852764234468216505157524564657107534431431117336072054919274742146191875586352851136947834295831715284984082588762676641113841394350584221032287961449973266974836257999263376443407984421601374258404072842361355603941239176203703041161681410374786882833348938509084685782188835962206035835626762542807897843795642622554257982426147981913508056599729364106117999159438581071849824078344417824802070259961257160282459540013271612124225634310103913156204264283357739049451420973528043531242391976253835815547520623906161850210870267819434537510269180063658174840987253472851304071802788392327612348902490809024502641431572124131219810164525423618405111261092526111044339192872203425653135955456100311793088427810152063186771 (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.