Factor Info

ID 155639
Size 656 digits / 2177 bits
Status composite
Value 16788510250684301094259909915451015280705804617960106281364588144540095688456645707557958978627991427963099551483861024657094583396311827370263194203764465678954093439770747591723703816882650563025036113204393907004094532662135969664950950394774371865677326473806014512348495712133336922806484042049985256436209703623976479991538395421497206725914062683595329045166870160418152299537483988887880346292588669747117906876759083239003850118166712732014117119288842450302070071226298247870876023880688938713620347377433148573807498736728244822168903886261675983802098412738698774450466235201256069865643158138978594206556717935637634585400929403315986267092533

Factorizations

Primary (ID: 155640) 51589619336546724967 (proven prime)
(ID: 155641) 325424193211503551594365441552852225474441540202484499118304477683607716546751978970407316148455226393207531395324446168168453601220164915633892483825904848437605218653159745365338961466223779705029623590369853089016930233668905015711686700613286833281436181328575616889080280222687353227369906759907364877752473297259653577102054741339226808436847977810540866149305240012607213301626448554797428349843093869206235790821486313827077355706981683727164656212254241096710445133785144274756972986632044524618743377842558993464852596326407211984055578224341158826790331758038930291442019975538749749849547801958428506160010515012175424202499 (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.