Factor Info

ID 178238
Size 686 digits / 2277 bits
Status composite
Value 16665687317728801080236875055329893724382015132902562575841313595566116096732143128619513412546072007391012381768334578532577789791450385663165176611418573768078256460309665985680152228658222151504584595947154442439288847542889311105283267147741535649598016360514907534359338072163220190127268161080859007581251340395371757531195435640157849757220191500009047378378068564060122257698220499503307408825160979856578017558828600948292200852615401668078507262344939614571741256333994036160671296149399220909750153754657466604249931490941290379508821348244124633619190994283840948113430975890801968258191492677795357336532072527671805989968920981627851914148372539780918599278773621662713131

Factorizations

Primary (ID: 16805) 29517135796279606458249021809310932933544054168008265017565907 (proven prime)
(ID: 178239) 564610585280072284497098661393953335555055292063440855318380789529801201277296718156274113401423488839932313433809292454103577480609262870745338164025070666949663936197951060211893079725945845054447820963513595879722439952780610097907258277375917049729466443617672185694352056791204437651029948809467548723743753781775551312548571445467008942125886037435976611445091783103933590414220134948387369187753857826224359426466556449438869442511604454610619672584587177258109433094432232720127910422098688767586286051225039876766538204763912213135942993727645403168414257045325380576389074888310161232243340707400506870399542242633 (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.