Factor Info

ID 145977
Size 787 digits / 2612 bits
Status composite
Value 1583119095083424015860036404110783706559153292049534965264432098590552100164908181787187642260404498846135652753673305478689583717031761710480591704227695530154974962474445175199283375803886456682207819586587121138361230221624085244675365260346664300559179061701095448344119083296500930310881463292763442442630256445421127702850070605520616741549917033794681367550278876139319743881875894253106337771395535045768587564166794404074996501858609106573429982700990845013854521851793530393760339656921969257948456560552813384927793439579743967530936141937350568959762543758850246851826816157962753470970666458264393649948979726352365521509738235164157427974718344910302620099239762057735624383168541170042732104174571921899445131514355792892062609654625768328866535854197172688265108300411653

Factorizations

Primary (ID: 5166) 2428341789170077318171 (proven prime)
(ID: 145978) 651934213768350544643366065978290009335806510618517565269751735363236494888387236081014702323849219145679947785803060278755878906161799014249292713907772070441427771887769889060049251196486775964935072718218935710251324289339846672277158466475423511710876388557620205845806200792719313093636930472245144031142155582006846473372743368445343419569059715836102695571872477748605608535112262328523876630508195051825669450238379184999368733186235918334791433192478058504412757858116392761222583173410402792608625085779903501522599141859765561335468674380511452607442115353731585696623254480963761703107721503846309198549336662799837020088334449286887123333976599278820450974427161693001803799804151194429131777377265566584196025563867978138230271115830765077459116949343 (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.