Factor Info

ID 198638
Size 671 digits / 2227 bits
Status composite
Value 17720542621719178866630247885164587251270310473576055169890599977950137952535078326145479451769731242092189953289788389914102430640803216375620251121995895699980772713375711804895941201415741821240706807167955156901596302286593745559966205028546447122983607628970766077037336693720749026702592177666348567633119769648818801220845947768266057792378883995863771329873207287499555118509786997730877060323698733754696743414931632158902688951275684712757901995205386425042798547787627128971341879816081711117217027952565112427434758783255548169624540518981412516310481561463586877369028899973606909201843764762462096084982720101239378848827897213823565742794940178188648864023

Factorizations

Primary (ID: 198639) 310079312179893621392715264037923541 (proven prime)
(ID: 198640) 57148419535446281948434604715779737419919808988144875130891413527900184501968944334504558034092746153088596698184447947888537753053429715808538331308396706925262076652616575489391873556670802873117639954746410986510492512387474701137636226995217080440789746759959032199358353382813030000157885894970371563919591971455055071585238284308990434277423673880902293293980955003941613743868450136040199080979072195080456889628483414873818378209046101134388892310246460677928128350771330931384254186092630011649838011147974601667371303776095157756369685597977601263086433502764187600910732209324818107768621946492410524716687972175898514297403 (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.