Factor Info

ID 111306
Size 530 digits / 1759 bits
Status composite
Value 21987257161244538288001356749061410939679916225736296667282394948297253680661428045600160168348972473264790073870745355951734829419648948781868151203373649697017749392011880053591547076661580217829580395698855198183900866985951610973432973324399435147942529151287602830818256838923042498416401674587204102437492853196129056782490486590515958305987981315457188552032527946772388289742401986272185066998701901240680671719832832038340834273756426294613636146907689746309295283427120195939811822279694824197037955554540069045439549631

Factorizations

Primary (ID: 737) 252171167457207277136719 (proven prime)
(ID: 111307) 87191796679038307102412839013891062238549411748851618525625895764133251302482107756034925099774046575280376916364989661014985574244216892263026249029088885905800008987741949283105203845393856225879567086258353919545711665212001870016915206879849216876060903360118270925479204942745953996231423732260724762266836832073994457162795116357203554752842140747000280836991800042972221027211679254763774026994188134455891219089795954330535401479655143729743961680959574269561757183375422045111650532015508326901649 (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.