Factor Info

ID 177997
Size 496 digits / 1647 bits
Status composite
Value 3956431678382884302900232683540266640419496988380565332718511021517866583263402286847169251993485688889897574211471699092369355608658007314337366851758986275761891366937539677448456265972128039351021062506871210242238077600000492469972675000234870430923829954400894317008149961859660706374084855017118168351193728319250790591878189697483101472015862789245214923360097602400909212483334046232655288688692193081372100627131868791050910502379097191480474551869236724211069205829573580253981950869731

Factorizations

Primary (ID: 28723) 2178350318451629713664416578164597856017075041 (proven prime)
(ID: 177998) 1816251337018700419892638792197396213675979556692415207258868546139249408060794523155888151330402839160352276363997986352599377565261819935548946752215817275131270908716792520327961385180669220827851682902414333482547109038866980012689503561362582642306535602600996545115923861899819396973415804650342138190250466397127010923401324789162240248530339143826432856479799813906835578986910475226106207596723500996980816855886053235263465367931851642001091 (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.