Factor Info

ID 191819
Size 677 digits / 2247 bits
Status composite
Value 19175863153795208671288356962602676630936844078284616091664354846959895390202129719460095392073043579205776316517088385485521657670343772239902274910202677946964394166731809466529286854322848328710358846759422432104490760055269115827534961003361402827888217078913982512160031659656146273915855507280703131630066281466137243164182148081016655732727622680328517567373243843818283637697992789496215001651916455643005641694203090360820118409398771672189811681099924071908726559670958834388379533743873378363395722825483638243902003924139922722101852058763314985358048626007581232215253412010570498585374105668399819156012847862435492259022101592592086847072241633119743854086779507

Factorizations

Primary (ID: 191344) 21178227996426769919546281 (proven prime)
(ID: 191820) 905451728871301037333723809702610595255487283685523043545271279615816790624776258863849076133314769395295653611943061020980669356234365065175021820070523665252016494200683055784355177285373637349527567578293531060722939555892702289068412970504689637955147056632124318596663192810716618774965842421858399309817114559274277681902274895944169739172664410661691294624968340372356683621978293100287544822031415310931863899911959159279630693647854456747409883022462450790257275973244529454727888593146584443183143702661033464092916438502361628054043744015063440275907217421613695435416402989979909147915205681023374372186161824238573947070216652370510620347 (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.