Factor Info

ID 51417
Size 533 digits / 1769 bits
Status composite
Value 16740510139589872481010166643833172822024126409210780794183918419192739506522241167012714498431759126863028155268542693450673762243394832885626685286370478132411911979928388843341991182905096968121872158121470041652968100145337830913688448125841792272568268644190930878406639207216602841829312100308897692031559137078236085007614109344405271079832959704944800259465879004539008094541480002586286908747503883804728505784277858732239409758860382074265945183706086526662272760160838401321165221303921905196680208662466877714368900764201

Factorizations

Primary (ID: 50308) 137218978667473446671 (proven prime)
(ID: 51418) 121998504158507217723375169896552722670415735694512974187092266463367844138359365112537602951356870547661095498647598901025756834870036132819673597706834692747910407828888951473463246012525469757557147976072418589294106438033294678907128765686451268624247318682726908767071402466079340184544485844993514825231870966405120538816814776139298079893397686636656936063162314453774610610807930317039594159148249954339450065744599484212701555224814632652903697182453256225617175810047598949554397336182821997191313519431 (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.