Factor Info

ID 157587
Size 843 digits / 2800 bits
Status composite
Value 428413317028693652153941289057504399751586471420768523677907399590348202220630164746458179212803034768240331145920715994785808488879050574557453173088355628224242249144903763661048581950183338922089382312259899668501140396521184329647853137692365033880937474294293922099245160228626932870646962074270913050391110100145997783787760269383267367608121182288362631920270363410534111443179581233937974632646895920999751551770912887782125172794989956460414725722434572342371961011473488358209597975149054172510613166989379191128434808496614176170916112475486292175293531981330876384516234885138787812400815045236969081060540377178742886542733912738368765283438952224087230129331100167497981849070052437275460402262871513612504808768940090275934389103995258328299656750304388910391617875215075832358327428585730256384352526622250443952200031931556241

Factorizations

Primary (ID: 10483) 148296291984475077955727317447564721950969097 (proven prime)
(ID: 191788) 2888901072951598925380619579331748545266815170806881523155549863749610459656538092214741129915936361990256585143190470629448810132148376645088661013765356436903265438567419797440444270349953901734904053457942330513255133216904305995007534591423216112306194228755482123625628633165041385205474070457491677137277945076269520595523329033851585636139397207257076510256913585851634713009353905978513776881845225306825317128369447378418091526574137817153322235609181855884321531805626112498922191973279141235553328171203989067448102723137197341645182739579529377368906825720081528157706283335254859780895787356210309707400045203791555794786408020564541645339038791195737743144203633295918284894182923751744448325985473784324779722922605713329871881747888787198059460423703520295152644764738780497133345353 (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.