Factor Info

ID 128163
Size 651 digits / 2162 bits
Status composite
Value 372783419976767891118961430534448582921480643252328482841320233544899428750315187504888078149645190054844080657918303393518188426321747868468199928349678008448109802815159741567823982009552646240200712986954564982095985502893462830197355943191052729695830009957527093519187666791444930906584183740438413662560031737265883481232440794684900730570298077405117928497140704975291753239217018654778907603685316591607460905531794911088952350643967643226558714175431358615699684691405862416398993917686052372478197870268825118576602381878976833643402718550268686536167702481262799454897855036826324963701358009373350000296662885587690447842374367870609365161

Factorizations

Primary (ID: 45722) 7199450183261907987363072043600501 (proven prime)
(ID: 128162) 51779429051881869944897439162272038082438757527253027080752554229345529978366521265262873661782791589062964424270994515144105029942676990833345355523086470583985211367748469986624199559073054355279431058774724614348059252191309362572220590046512784755877000548378843273052671560087422953959684781710628402750123088279884819515043902397783764762734477474329275501000201132543533221268381105582443357007610808440644317764809611398672143727737659520549855375168361251848887285463796538358308058430867837931161754980181851364843504606337360702315373108081364061193397690883368853125087667666778392716656804740541172434661 (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.