Factor Info

ID 143867
Size 438 digits / 1455 bits
Status composite
Value 517252619552570729772306407761602909987502934249871155367792647469993872155202548588090153266820387645947520706031569027922708784245110397970184738311516984365902161740015025812535025748636031775592892273009092448610863030642675491933895247665451793027337216968967019621478223346244553650239289870572955143520651705359687744314875224698961464841125260041931064405722999963309215452327290938158412479662844242716226786293322812610107533619

Factorizations

Primary (ID: 143128) 917842427566819615573 (proven prime)
(ID: 143868) 563552745021600509957744541183835894611071194407648839928724698810218244199169530138625682584391515434836181087905657396075689514088722626442183209054174407977089002968421912532017068577685923326918269955842568028782072127135740881845785735756888810300649287078388312689548010653400349466033122525259125782892652277546570551406385581199845052715152936784825873935598781684330826274222490862966146507461316186077555303 (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.