Factor Info

ID 173037
Size 782 digits / 2598 bits
Status composite
Value 75720851842075058435916536396355716524543277229899974808291977592566330989670190787937751657765499477939902031315637427601265021558502889793540623763962532885099744834949678404866868164134033335013739799251484835235494880125365459377908924881756455905641639523309705902130274363332687867162747419214378613586213969014638978144875300090471011655359613784043465345019833217828563898792460038715915554287911724934658715619119085370640059682161233060236874792462565975066690488238897865616623792599575612560684952877078408314476415614019742793282656284624030111293427277160402366262410838077302832866426486408742682116575612060340121247123097752025245444025231353390052241675428316096078928255223038273826259144077272215883145023655480406762805277486842733357453639467877300281056199147

Factorizations

Primary (ID: 171608) 1597736106606016791585731866805716475677 (proven prime)
(ID: 173038) 47392589758095103876795612203785207606497769506878092409857139920094219797939110416630546308847065951696006661249561392447380034438192830643437366389994743922714925586931086746180090955535474732106134656382131899002841498733278230943025623206326105535173921962318151415114756762719517086704305349975255985310010760535418502435665076291398390293600047737693155682151638721412962461087528901800642600782011077265399848275980583561564292753371372274187450842827257666913073181154073900347976573076161321857570203783871449178111428363296091995285114557604704759954296529187037515331998528032677979259205083109137781530389443535089808157316911105932578879600471789545174534401341718320726803800909981833613296000304875992956369439130151411965587111 (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.