Factor Info

ID 21548
Size 568 digits / 1885 bits
Status composite
Value 1607264262160693289765346966156468591960140256658411637640859173572449718238216742064800618599907092441903583752104927696100918004769919017290493428448085518711970803807062188480950486953566912869078492383035240307947551448127594342555253289492235784014191870644266987744795875234998432226159560785573901964297526353159522963111850847902674298410281054023223992721104190222878756553409265672758685253528059329470171588996607650765783010536192014172290765467489540966898142203916683118090390976524788480445095389769956611611503975464583174162194743565599644392722417441

Factorizations

Primary (ID: 6673) 177635683940025046467781066894531 (proven prime)
(ID: 30086) 9048093415191016867402634669240957189011928891408624971473728176465283202441335621449013489560493160796629418798548001033375384646384599016402217362661866821451117437455588096326577539623446998319808887142748002353417781333509539591565142937769072988471999542029912125771512413176379489751385998117139202898544293246226057448698098665895019795773229512584328075152682380297470266605549238740916922107976740642237614379469256521917142231883205701001363543861917773834691109235227200721664879644668179955758303856245989578866124178689611 (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.