Factor Info

ID 30542
Size 491 digits / 1629 bits
Status composite
Value 20304779152403826991659881280089745628269811936136042907502540500379005672054347901057686941010746705307300826889156845013983489490056794923708648650389053373904562149860076973052910153564665913812869794103397833311161716462318205994723598775323116062810991861355801369728336356954636057379573739286069510303156462933623161073559272180694221053414923806570240855565597201489929618630483512912267660435322758036600234662107961959623400030001533829611204173282509520761783589699819165541486099

Factorizations

Primary (ID: 16504) 1638057816253571607794631540346969382009402306700667350436827385659369391 (proven prime)
(ID: 30543) 12395642541386734534401143793001924043933417851292842923154919020757584139636684613006163790637879820109541014239270197946478048272414843679528122215847722411151086649736913906511251191009237971202475002153550440444952351002028439751383801819128428625113792257046835860349077424300684496579910270953598057697103979425297433580710578941083374595522940496125109469987355707034125040960682312590855829080795143974018823389 (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.