Factor Info

ID 169021
Size 638 digits / 2120 bits
Status composite
Value 81789297384783437150269323575858449904396913425619159892036632545591661173546675943154103865531026877681102363330645845858210766855731814857613313032576550352112468148884404597172818264482759413956481505911256685787168842838499055824813088937106437908465591556073485164131980150841927494703511404821151593573316609323053241395450797644553865777181856813355818821130790058329360969489901094306157504618493770007054493432271304059089982678560521009328902555094719991287588979974807762860190087438834565199988612943856621312559524840799702009827792783395761843625404516392896572224463277687709582295578014681599090146031229441928889260493079

Factorizations

Primary (ID: 167721) 261513239159154440967606433092726647 (proven prime)
(ID: 169022) 312753945642527328305240090257531582605670299970544398886500991123849647219337289268457768509337144706483839359194478505070916480858975782132994737906836342795702529440153597866156038839230195654028296547357417195955251128846783876683898116831933034358076779331197380562240508690435263386601414116158747991128123619012282956234995769038698116127515454831258860986409179795411521794531529873893109564669865026980125736780892739464655263883253311293533898526935128294775061823020909352533063956768221988903071050959697952938134007909469852032660982827954901263393069907087181576996004976772212770149538657 (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.