Factor Info

ID 137930
Size 640 digits / 2123 bits
Status composite
Value 1187287475533958110128894004123393180396906753856890977296644003429954449317619540093703631898883167153930048072352967720412462573769396957279120273045511507192612771166055939670638090005300418162471400432549097874930319598353307128494431465675223158362868055661279918968829715722393023283602570422208597150924058742951629940037427729859835838903634629835497373873708781254588333824125369449466338725246946748597094603546052227323169826303463569818733243625498608019970021189955478817643487231484474744386875939485008251950635314044306880090389339353646982457983881207735157884806757784438363763841363182713866986161122237424411735423748243

Factorizations

Primary (ID: 137012) 1608314024205177307181353 (proven prime)
(ID: 137931) 738218692161632476544412740495186637685412378986499324268509948373666125076040877801900533318148754097937558655701117096867332356268215242073809072981225603968461661173697665986266321350698613657882958395243096796812642375734480102310408976743159827381932530141991647399453336952087052811010432301376769822897835894999945419416061082913953258991469853565151706946532583753211510759054946479236664189481161214874170280498868917100173145333173081815199960295911882562503813382737859887109346491966170850555499822532536943210562904873736571392499205192750347555976444444387326612003265548802504889595839237387809847131 (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.