Factor Info

ID 21288
Size 520 digits / 1727 bits
Status composite
Value 4246458856960087054190621360020268228027527331882283846216786288950202187448320565907343929949300360331042615431247605322843591040373174251274909261120525552573215840301320120507395803843498535579433019322293400923618416377027163115467344040149905874175946643937021402919489674330101429383973618988952406280304850402018310223443694072859280054881141454967640883296781599158315561635781629691570914586700914403813175522220620074932730577594374562374187821979459062133993748490607722871079581159217357856975995478000773961

Factorizations

Primary (ID: 6673) 177635683940025046467781066894531 (proven prime)
(ID: 29673) 23905438157311988039760869446393685088396733355856392513533606145409644579242518353779404684493203512313566297369750984347101832306303059650243597834262334950873268213012620032827492646157919141430507745578785581059786046850116400436931065677859872704544081679468306201248622551123375597213936566097367386661152190802695139340372961164235899803589518030456626345741373142804945765825762644863752611838453879790129309801635868296659687723773794489668404614972906320406169406561148299638531 (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.