Factor Info

ID 219833
Size 1269 digits / 4215 bits
Status composite
Value 421253124814793684309599534103108839927416946113505563289801508036420232769395027553733774191906757666673389056100513860887155016703896489838039725285980796609579946746616912421155040776492109554008384325648332202792916530014593583552676488530199434541437812804616097279368704411927019072154915663131539434709747442107920843517548870548777868793551927792934390004714768054467527998846695007359828018349334694098680530228926729407689945795990388486099184465637336154698891260536508747097561030305512723068967313599633328015589044960613895013403533061524902092232415476570385525989057785725548639202742787956871047907308988024816628135114910595039812548278138095641177336337399842584389387280329455200679893374425271403345254258312672463927701521465228829131514120222331053845469477736427738608359255695264745500312298806905808277242302816372559387230278841018998974075051203847558534954129190413938230642488070020020209872657406589689629814362059498188368987044989776572004905084425514502711079445618327492413998821077350437742294845472436704868593192655316015104822668903967260921424404258102369194875039127540204793445706887563064397325677717574573093498959964168573537339957912960652311271717261371352449270699890088201673519189936749426204818149976670634006180679561

Factorizations

Primary (ID: 219834) 660535844196971492032649 (proven prime)
(ID: 219835) 637744535009936859252447040234838358361130302069808365043953803947321945963155765863254942070437726542234837996665621483560567081393061000385611332475414170738325201053519903649630971447677683520673723621094190501922064886176973871389686874538128285925152589708274545884743410627086565487244067912217068319002526218973949033491084765063560232661745707533659639871172309861194416505044369918604563183718280839155944824517577740315909389898760390325398443876024706974457706953457074858707102597609926973711264896727261024059271848334339411623027406433173374979056603201738526881819639925547878858183930360478534723603745911483821760580047953139520593716126474076095276084111763246014766182911147132088701969411256545571367449187278803541985576666616110985470555411052387983500830520936799233543156603143776077674113797732809453108259278816300233786265307773541697248444202430157365434466191301581654185511000074458539626642425059309591918396656629672708266055865589980959386235240623776133425749497361631257243643167750445858555308824790577533431863646952934148922469466476965193666072844971333023574998094924932800849220761293537089249975083343391017456434122627716666462558431419342981929210766983957255583800682983469447689943519537628610156289 (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.