Factor Info

ID 139631
Size 492 digits / 1632 bits
Status composite
Value 143817217736082709717830183092110288069051175329684222869709140009708158804222696715999068894569502319186910226008850223456321277248363887901672381617827828150689057338443237739797060347652684007266453890530852778419360199492840674822181512745138158355736948774450219452152572572570701908762056866201183337763152558371420435368087539062830246716560021216763339968797594834658263245736296701082998030342806675040212534975779716010953209015614355625538951584329153482127052138616740459407390703

Factorizations

Primary (ID: 138850) 281157146581942701610362334290780811 (proven prime)
(ID: 174504) 511518983189593092239927856179824155474319205732928958892507750069048224525261822508085070344873558619142939647042571113010572355994647748021351162611233629006738406208788709323749648573389075128601587905447766215070595713644576440515250472216700835060512613003528444372965575811092491718019659386302845167877987133595224666994240267484551601111627296421421944146648147697481136996222463231931892505302825161085625062612758322813054609611994118793869926573 (proven prime)

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.