Factor Info

ID 20315
Size 342 digits / 1134 bits
Status composite
Value 129328983568769979658398475025193607106983527933173851036281232823958737151663261572451164207624869790279839867988172132432742044409637990659496979910323354430420382512490420756077670129877192925010090418067646319878761634607752231797457298078157884504965150358050051296319267277340416468947468752227125175932001388347782669177361010827190547

Factorizations

Primary (ID: 20316) 316237267349250204445544982727458065652184756181185770847813 (proven prime)
(ID: 20317) 408961867944362052902506455729250462090496455977846422020810441264210672841711252728216097465231063753821345452261202156628593255334874553612952865097941223299614022445377550971069274309060235617687275343755225079223875138130816331107077404197487690320923233088459395956791604601719 (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.