Factor Info

ID 188519
Size 1153 digits / 3829 bits
Status composite
Value 4287761453429532722448345821898877510150404185417433638279422616136530223846073366243101145374509748963278220900118470518979753604232719068280391050673848116300617527487612957944092545529465944306234511006617461523259314226078904531113854715563712276400186741198528173841333098742876846681239927128437016960550661442707452111327933522344036200397926817807243837827969124056714557616873976914777646653890113162233008728294249826895263118013173314514007678206321037970334758256085336994018580468539122562587643528469382425074690163729304995332384877591988978165251500124733075547911739408972878887820348059023500600553828326538216692445882058438036443551121592809576881018286801798029531523452972929625030300691686850892051461581824035373734603663798200243046264318497893099743900232319925561329751065958181825747190123972290591127602784893577721525418395212604851605195795240437466108107017964599884252548778183570146619992027990361900740198169447088448139094944284770521455204877291636215928298832614543374169574212637278753489736246952296455581326872188971292441547010761352693994174471617504076397589730310432396998968385336490822634230796660937039571

Factorizations

Primary (ID: 152108) 847499019384726257346113954958447091 (proven prime)
(ID: 188520) 5059311403737545543211874603217642984091292985605691179852639452334989117119557787381676424930980167037077057420049987231936634774880856734752706942938035723955650784349573037601546751443612061201743607565374470297410939144930291558082421362636813255684598107586433886149668927708517240796438213284522053431764304273084689936236993961797738210328238123738193464002432847394223289183576008181212613610444357143395653733121176840863410843847411169958694081904903909876305754133723444487633272016823897988192748551074826892224276527872352853573851073001693433961851692595231092953699077528503715729557079914487232787907715159463473777174179786006984414926096366453255836341659256920597115565992972906319067642286487558881302593705767666328112650346706822057789704543460990214202187142029087686461236700574824358651929445356855661717835961795072932444346088299899435608221856953487982111521891970136824573163183970692420335567804522658534512482687121771205372302907698625768287311168426017954626873632606821905411704887574433885512436340376096420148378322443939114469695067835643912239369648319707047985178495123861477281 (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.