Factor Info

ID 168788
Size 646 digits / 2144 bits
Status composite
Value 1641463774923298269331489297865533706051403984200879748670882964997967665916976144470156450867219125234325519921191230658951627898318639050189626822811070818289882904873547947672398870561851796820915429949853190877843326959691406081955517342006337516353590310596932815426106755724138948308114099590087036371524834308169043850007060629055757651552235809860946591453739706157703719650819134029201189623282779656166883875444713835586536932272776575275403372817047400001024414369097757622847627341929318889471201577413006142455902342979162469947975449835332879738623972572023193137051250476122477604859447270462658295219750937947748075191335242483657

Factorizations

Primary (ID: 167721) 261513239159154440967606433092726647 (proven prime)
(ID: 168789) 6276790346068556822593900177754154207711972275162588651696849522099188635400427906521347729178200199905487424205024668347151204562896785998137491091230799725245933315104280716223444378408757570981922163857664160341355606725205479495438705187415547191514591174731380511132134382204124717191687885505730696849685310661180941301048742516655264175573772439563300362824846553412120321427828251714851007732040440568825024219576436380037168804365778945962985260442618082426962025565983993310982403335143501882192622926559979366174358072508497519644122224480373321354501202025233291271194144596227992913689775187120831 (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.