Factor Info

ID 43388
Size 385 digits / 1278 bits
Status composite
Value 3187490445905962124564379742894734454106628015157859735061749198364635998736142827886845631252968166971447333432430950438722926695217266486991873603850996609147855565870952839072561662051185991503607355392801273941343469564993210417367514567548796588157496329715544386568412783411840286624143148634636617774666427676458165144388878003730245895952983674957514120660282739420370697679007

Factorizations

Primary (ID: 9472) 20979159680268267283886770880010231337 (proven prime)
(ID: 47290) 151936040074280165628118286419322872341913687102257978324674691190488644580828031874005828439645219363658502264953463658589200003904303681415980815932477424268343789777626470912446094224799918833286749287779873193564377893893375748710836676260192842007944663331615892741907309374218824618997178620132326975865467768309695399930939182394996637163911 (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.