Factor Info

ID 21866
Size 345 digits / 1146 bits
Status composite
Value 555308819673303296649949648700168786741824513140676075713960662085764253173432863483781615526038656154233712670744337965865938468212781437014895450663994310805771679616715855740874693015301138166592932594999363710804966432448796183301070919601241038252786887126710781970566333174976114852574712171732242342067968919891755688130221302239166044101

Factorizations

Primary (ID: 7478) 1048953903129961695599 (proven prime)
(ID: 21867) 529392967618809164143052631592084132742121256345853554473302146027167024992800599167356202582856395069398919314383475947684682369444643458352362543093104765250886414023251699304330793611768676077673318052937880788689664851490580628302712496385074943347225802212031477709624116259636808599138609432558796408220821979644940299 (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.