Factor Info

ID 13539
Size 339 digits / 1126 bits
Status composite
Value 623896738067995850876834694387722875542517912172892240407846970244478162798711819382316949984583008988594013104865668108800059104981201813345484443073229542263889450188435706118096982698175385370265254605637368072676212389353072457054215979817566048240048385590032947706556857943520214490441426258635191486643737990469223458743087849627987

Factorizations

Primary (ID: 4223) 3754733257489862401973357979128773 (proven prime)
(ID: 13540) 166162732551895623404735093181097215250937757375244255462982460335358812733539287147009406050065546620180367246647972158534933377299184150975291912124432762382418408704205058455293141594246657726393858427520419461087056758448588499604902745190068771049314402639419520809862678373027339742823475391191448119 (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.