Factor Info

ID 81928
Size 290 digits / 962 bits
Status composite
Value 28953883160653678129008755914200391141125800849753117740032983308854465932160571794688378881367971068288558591586045301458821854546628868562839727400401461015694857943728322712907136140158903615339650342065529564086153372417817773150220989225802995895563025168886758691425191305903402142911

Factorizations

Primary (ID: 81312) 2539216020028960411368794571239331412513133647030360065418652128368598016175428743762192138898246296659402665723077081 (proven prime)
(ID: 81929) 11402686078013737346175159722681388673415065916025047494951516881431178121692052256992576401600812398303593530535634831008344800574588083381903085314186056464484934387641431 (proven prime)

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.