Factor Info

ID 207888
Size 819 digits / 2718 bits
Status composite
Value 142671585049418871531783300340946779016091355598778184339697510975546422188300724259008438169610705048348373240524914761276994219944660042451058166616894993099635882611554943953746440803968153076258193388082465226508067402231954036819502740760759742668628374804099143019586731061716224850356924043435248473539677079838946605742956034339987971866735971605186226121767604665484287798266022869897954380612589425854713836749451396772650380353214668886402186115597047722909649695320459408642976662200757982234268587008753169042187908497224949193980874098386176029078625680593067718288475248541515567033997768905159515491793420453138816134038256481284193104428293083229145113868176734566742167018793529343432817358476534737195892313102875156965270921493169200602852663744590873471463166785063933258355847305748802692856547363

Factorizations

Primary (ID: 207889) 161028779146252193035787 (proven prime)
(ID: 207890) 886000538573538769330883781226787116391767285297325276154486996791341952979984863877102441728650703712462676062648306006891925141205026149327922958585163919460068086383225629532773129103823248695579854149741764789879377260664085209499317935617175891199122246884615830809232304953944219295283990661323020437292993979071656007393099984867211422344962437640686401421029850052661156065455654144749049022964026055886466409722336184812735982034400770920389884708337124510955815222456963617554891387744264408279588930080702782328491794374738862132094511279588839284773161707372789056280451847134412286654553071922549215787864731364827076029534437473651727092934110639815770265609814999404716783800376178627202578909353624372421515067868344840962452391745265924350635119681001584446982893630423597317449 (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.