Factor Info

ID 163912
Size 312 digits / 1036 bits
Status composite
Value 563631732120332646610838486003842589530960227978613016238482864320978388421520595578242912230109415772741419397299548630966934988034915896128978027764423732771800049131005286203240966767707834294539049056779569405144635049020163061151720834240533696833901016170951910302318173862891802736174018183782787192802719

Factorizations

Primary (ID: 163532) 509449038480875923584322901355482065070391582765527594753700929 (proven prime)
(ID: 195569) 1106355473358088736929162313962424883876854898102614425578773231986473548110774109125389898056859618644932805735281164566420344270057500635610784041717802969947400407372794566674501787816516221658773435312469746798710580708068185028725880883401132511 (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.