Factor Info

ID 51768
Size 711 digits / 2362 bits
Status composite
Value 783864543769811356888276505281802377079386415788572627585885947029305400614130048378767074065254452854281368813654992023710201342570691163112012545000312283540607332629517182615730149915088743927086638059872947186954880378836746917985485308775426419188563072379615757863341829605455047906455689496684193572032476587419444494177234438739316845088022652311459607613791244825283713128399694403309984301431461337203770365967977325829200016508676479640291658906511530550430357772544534331193132431916927205172810245569263269014852813756660248579966954282433871713053377016067205742847933914598796931198169056486519160695258311847257066288353907553167821467747781934760546697602978487320081006867905342569307938721919

Factorizations

Primary (ID: 73056) 304971297664201988898688683700564748747693245597 (proven prime)
(ID: 75018) 2570289564209775178595250022617050452990014977762071131353425284318528524776723702076752998488805797329293411139759916010434757201515178521882354960083052025924556701847145320332538602020143572269064200135204057091515907183240360957993310552878762485722377113574594742162477542535660131062069401733586023517640149194682398912655743341135022144187376047130086197988809197987434591572627857752298118404074289824335876606497584256201710943554285289976425359008526930679609908159507864013490087228859014116196665007207118265361560325656661362759866439627067641590417639465107027731140061168426179961853558870180622405176780193047610018934172178903930607456332948916427 (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.