Factor Info

ID 72187
Size 878 digits / 2915 bits
Status composite
Value 19523050965215263310369808404399176732394167319264489929698512595147396866194191993106277304415175018444254487939344846272711070008450501795074870786038645201823791820586148696460184903512875637931929578916237242691091740646022597648435466316700602417667288937522249476288053251209963402037386792313240723344850716267059675718624505115521808455153753852125420110419936835309060002687904571881387745201402111118433619536266075439243152522751856025187060374395111252550751130469048664471141947642949534343832057558112569452303219821264683895226698585242701841556385862095527607444654523144469359641567632243928438959800933238784078729768720540392384724232173152615238090548519928416962804520162341974022853476047292579732291364976549179951792289496244960331654801897111201020864642503338254985067025815171512998287257866553352241536001424577831455534067186971783526564220112221557

Factorizations

Primary (ID: 71214) 15557633375373866382009451 (proven prime)
(ID: 72188) 1254885656074030202572366151035434298301991739271602397250211532743300528989125117521190464875749555290093545547469099098131942871604230672357071246165135189067235277522484283110843865114959731987823821852535356968113081419682661654988488844185949523093375379532769222750211805961613709931290882596819667072674564327862094424527894800748803975046427939454237002053296065817921078081666701220834646579216220075527732166788676685694622034053115533396585224598937032642932943139324677218492594115545811746169039766199865519564405252334739155564469612666795652649223699655213127300778646264774856999326787608348198992540195504866789034878707144250885437272036490104365808784433054183232842724875269610588376616046158186958049479760324496922519683496053432684698771557976832934998781756811863438527101625464784240248938266086283527477608822799553778103125407 (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.