Factor Info

ID 28518
Size 693 digits / 2300 bits
Status composite
Value 168192447988400359926143355905638292012031857395272106576704789675733422817000357631033205570700440460664817248788976928855201797398402758239829881783408597461810040902542637911984735794710347109822399448759745463560280629546912783669212595416274109405978519942049980931367521429796459981267467645603461211949002519816413690271730788157076562483988741913087193903668545602023407666376158645090978389598066515145493163208374608261207990284255282833034980650812548896838727180507053049248502039111882596426276546547820422620894733444747669689594682920303971250700027251899787130941886909793651353435661909414522565402319167704973328412162106939243151374711048233343645374326943117970321121203581

Factorizations

Primary (ID: 20367) 450663669979084462369440511 (proven prime)
(ID: 41395) 373210576295635855845175007928787280220863858928340082518413319282321026296109229749674838881069476690653650446434881037800659572411775085225720827811686506947493624042509860872336280778199141315302100624108324736620597435218247059624682971433938399341059881404628176143149700875741702965094661105305979118439622536201505613402664745640608379832007111719102163413973153677223152201792109811408792991895503345114637580245049063985322584508243802684973681367677904415868351438338509660534352659651469020829591464457200948690341634839147127773158182951122727326849611828426019341828899106690929337300852175816197704777639038988354435475858100020577260769614928307434371 (composite)
Secondary (ID: 2162) × (ID: 28519)

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.