Factor Info

ID 53488
Size 527 digits / 1749 bits
Status composite
Value 21189656623510474923345505475233775337525731722129414330702489956753474097699207134581927340621860813165054263551096947157426537414774011017241336360895928371932172477123983664262957372217751761014437562741989670472224281399607930446130015790552540397902404718961903260513988042015235244720158364655588339263371947279070817531973423565685258312516553938644824757371432326973673053952584851244341148242051136587416563728718789199328102670542565601665990120659747987038191048494124336281452755452886507213177193354062212391160823

Factorizations

Primary (ID: 52435) 4509348865973648037702008076799297 (proven prime)
(ID: 76879) 4699050185139147341513466359640929416994277347970379248729892616726547296182801197382855295504138096926802391026271714698067287183494885026727521295435675521058941849736422872172966348621475482120802526433868840774720321993393923535705474778538835293658202569509538945357030870118438670857308856865078842558875653309104017070039136435960446417634232903452771527652796398643792504358869669661289061178574272849283365579929479021756961535818465815140469552110695824709432385290408483939796955959 (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.