Factor Info

ID 171323
Size 919 digits / 3052 bits
Status composite
Value 3991432642388361899314778495234736634995967416552085489634020360165988737419473973800554303335840693791555908863626481844851210100104578079025227266098818928301100706702526850143965921449600898365088091067481271704377907646899491617848325572661857980551865169456690402883201570553253646759248382894645415507670167159746852285981269612182790408752993878750356106762323762026053014083187737012730913116513192149727690912746919986121835116146193460607746121686101035423552564481130196780094415794991865282715234026043918129693767430461325255659393816915115777816386042316120750561962614419903112471458642123326487077637549401822646910137162755027648146156478261044948436591523647945709126293298312490667807805121371668400525177701880573748590667868813833230527260244582809084494203483299197146505687710546891406877205866633110467695195840456967334518640926216762815534458318383368952610596646533969528452613945064406294951

Factorizations

Primary (ID: 169583) 8912448863225548229728954117986445590222909587221201 (proven prime)
(ID: 171324) 447849149391226113392844892616464502530402849131322576130663683894365200039307676078839690880755439171758885467572434262996617869144377492382860802161195875525902282959218274522838360950288290203896857424565820522087358687493570674007074079085738177166372251462497830405072875295783608554917956459883148253720088962233188885792286936326446543392196681473625100780158399110588636998310516167008603000064769626255130182340698891585052121572382552466855181909042700209551288113074446251869000259224150816982006502773761644491378546786220275555501321558928481368230715403355464672321067296267077807455373271248508494217644758616398128031020509984846504450363315021316841386511839553287216174768138098181535012708993535208182508051852872697424974680843426327300162164722039367515253341404286102207253314546386268854012925757587089226709686510832037765921241796600655573751 (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.