Factor Info

ID 172781
Size 748 digits / 2482 bits
Status composite
Value 1282333823640615509119236854497904902186833667501035337008342847372292057240026395113727485824074064412602089451245683996318136556229380072813846853277655802457656085350272225208761264625938308774048875935202955744618073434189026450535689603573951731779524389896018788159735221888794159900468315448575847666690052684992498998123350401241577955668536410608299688739349590928104462867335478754890390133378681625602311271186227007084207434579205591390989644144776510269023465162833860673198779370514553439471101055653774618833297291936292416316110510135829528365532034383301460053723699894192723525627608841105836446295006344335398738317310219496649323523998162952333976192545563210581466709829503669039083241969868167478512364097416801700059156941673

Factorizations

Primary (ID: 171373) 56384434945908343003414576365690424889 (proven prime)
(ID: 172782) 22742691752977668227062609657152255166808903706224226030886501887072172733917130457615029914873286177092483183663751892901587853530505211869392468698368591137198662488531874698101696507248747533771926500463053738331817170469290364729911602063137335650888438465265373857016159146500392741481933222184696080572569204118016783429231669521962386754768432323390824354045797121803346481466685355534517496887486846388437787444309305271521240703178011696177930680375117015938073025213927329112080860261183166291602347030702925226669849958571917278597988706172025053725084119874219858040384410022361508821474883003679599849330873406662887294138079027023815906275786576084259058775940651087556498171882884755780456507057 (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.