Factor Info

ID 81820
Size 321 digits / 1066 bits
Status composite
Value 662876933613890611485491413297984020304744538041845708612938445715910942434275790013710304639744687332012567680120540740395321928950552101501835142572178959124046433462994294671695935008850790836371495111420726038107059220337777078962077500200243766869464578157515175344661223314908617751094413114754962960951308359701973

Factorizations

Primary (ID: 59087) 390267551541285967420352592033193 (proven prime)
(ID: 81821) 1698519210720918986493870866861482306035552922637935277676396828306023557895754256244577877184384092462715966985895090305479794678021376924832424149193207954058128638001539189132120298309523054308767666917873476106387203239576771576449431987025473185927090309051713310997226271770046800461 (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.