Factor Info

ID 137992
Size 853 digits / 2832 bits
Status composite
Value 2779287690796717208809959080141030971852362285276047698557214927554455036873387073510053156724879658958378913531498713306035435624430526652265102218860442069273608293071165779869135392936373213573061200726329753957896770234151964886567884116750810628060016588747066611076120088213559869376692224081475075928195504687349273018859583240151418389586686724388104706153413033558881277250694998341264756592582277902965083905505932983593315558226298803194465601461800868933554738793602550757814598094450790729194857928726220985356799674000704568197379778648777600657676297815300720935489131683215497798276057846876715552024076038681529996313140107148929129010576900570716731073040064402836905035004021423217960960020502771827791860614472032860772287252001727728793458758741097334882735086104768018490151725841883430779069670447523978773074230312460145587678269

Factorizations

Primary (ID: 138402) 12689965311931555366531418920750153 (proven prime)
(ID: 172945) 219014601102457890068240740040627346908068274409543912121778069277077524018436850780441548117613978854723013424120772479718678122719469609331596550479495323875842177592714859019563933283202775907666222558126671875098178231213931025752881344423801838425751817749586480192188683488226968636992434417744858851352448669831097201895743181725564432602889026470600212996673017679604813749311923954804016772290731707951473814366573292532628375975341884839901663110167781494539826731251536651099751522511533120749299794000959211847690677949970310265693248463180485985819064416068800594339248799642123786741216401638689353045787703651214163963641335600372008217329087397671850301730573765900235080378444893637176030909743340293668676663618188419929653179844817479570126645381951485041942911561534094809216984116313006351910770773 (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.