Factor Info

ID 166658
Size 601 digits / 1997 bits
Status composite
Value 9721003575555119640515364997173725263808513528742670715784224202090863646421390736270570231156845750153024588384897148805909562042767993418392734394399777561931922575671963870793760682631273154533437529012094823911314746475204825322563301259332705126539311180425651003576712070170867842352630940512683307816529575059078815258912276244591409416941790850787588912477630455795972499141881073328281529183780924884435225468411402249633640771445933320903519564031755441627320604918369523618693754867407733113563795858250184893630335550004092757824877576264931988725269656804994097943722319617136575586055261

Factorizations

Primary (ID: 7608) 1830889518750884483049855551 (proven prime)
(ID: 197970) 5309443019908283326153637281972084303601260493236251387287534001876680042793037831727160079408355472819763991828315658923660775597116319767584062071392093043437078843484515620373893993175963013268423607153741183549976021280283318277124230684231584624552393276159662523631696249356959387350363688582646702176488779034536371889874704154203940558702678624016007120011732831268196528291461343148116017847705184437564160348133150365004817200799278283791387145804723955799140067610570880381805441424870644191799353670983670628427566031881237261987864332340623666732578859687834211 (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.