Factor Info

ID 157399
Size 621 digits / 2061 bits
Status composite
Value 255123051322785559841808665322082810694880135125769681592816052846908730117260979353583982981540505826803362595179529297286850670310269759227409120437046625906659156300432078892961598953635691527039229069325870809164835195570727567240906890158907096255210061210050807310110945319550395857963676807297028959867002845335948107842567539953540577233570784170123220945427030281189276524959237308774178225154913200744983624945088936411561888425765089284962321796736552023886768023040507635164376604293883696179240893467297410935387861182629949773445239325574469464681458331504017395913144635563619176592362887236385711875721889

Factorizations

Primary (ID: 10333) 526385733768051189441947168504909159 (proven prime)
(ID: 191488) 484669387782466095199782407400912661782713448500721606813656417169878670256934066627410764345123323545621620447670045691699176045094312545026873880605848648354757448104932337207901027130591393541372510357354319161909884054331925390603938559194205416958378119838721318100322050383847097942332605785099034369263619779437370422686144979024144920096273390021370917173327715480766027621837258939039996168852772454222530351524130501584345237492872148881798242464189666076282428195639030764053613487397305911140533137215180058294474276905164750675817101475288737539033905091033534524110412471 (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.