Factor Info

ID 163214
Size 1074 digits / 3566 bits
Status composite
Value 253066211002916669280016878255872039905234543716577426916260932524717595518107387043606139464176307137335858763742198333187880956591626895840662935403122926350913058994575960309107573877646111246734504924840101265525207342766779071137276616129424620269318490639408713560947508772871386877574001131884214493842177816429340870495536414637394514595678756732581319149417426280662946881129594613041982709098862377711635415293645536956305313821928057183895832948279997426598123862368279433062194802309794161291007694718858890503805395609912846096763512371237855691982533424118655633304701002193654594053429803289843812068054348193318979115426515192598758230417880885853320690448481438278450504966198876749530997240883493854532038736311524942324932465467453076116106770083355224239647332052935916067200409949182694416056920273389370041820954768452061867180349299565794053822774948569145139982594993974981090629219083290183530997639162280694015883509160783095835783564207948129066259007375157548155574155204976219853303064653539947450427704217718836672952415896502585478481352905681

Factorizations

Primary (ID: 160976) 310927778423866221499151 (proven prime)
(ID: 163215) 813906728712830217208109924258756321242658476361373148341714404918774821322035127560309246728736861774420271469355787529907582164017410060386118380675601388125299939830219002940334501836452167810908993732317244110341844008873951165608441363997358304046586847700585772862789397113825592301483755212133038355641468616175294923345253445596110817866262079175329318453513048791742248517260815180497808778997449734506192874943763401957177506974564291345043522841669848262970330298238212939971729341451040026714847039368960951950401413353545373673697568453659529384477317726398801063726418280747722545933062893258739552122331645707771495923238410681399257454786708398423248895972286806805958860850757059780147999418324191587848775085750416844334340547911111915126553600753583326308493604428591712526802559481811722900832754434724160827083977464479684695982322881539821365006467054626778746068158261150732573551725866530843137155609119575107267069949183425754791447490052074052412407743961594608236423770640569435843377708940159780821083267734632253073632031 (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.