Factor Info

ID 181492
Size 528 digits / 1752 bits
Status composite
Value 253079293509517179060778610838066917285500189877985136473679843209740152129759124362597761266949408067073682588261351014490133378037005746617473689241358074414630492367664423326019185066757251546350071390047700966809260765661252015888548654315065684028072750220212561431710404048422993263573714982200764041066524034043936127971483586312125788663442574576279326113147086245814141250946387719907745464953247574589244065345804544207131846615336581594734172616826084211539193363039427830088679731803059050903053530782753454482273241

Factorizations

Primary (ID: 11781) 1869566096395282675969776108567405541557601722844515411421 (proven prime)
(ID: 181493) 135367930557512945629237634303850051454798867357991765210171640637207939230220790760201499026325124606206170604602074374215921112679622288919215302192161968325746205885122486054227396654428660823321424202363181395650865952898907715329590426781827146020879713134848271276570759764793899580843454703681404541157797357188579188380999130007924629906569778389304266054463848280971169595129760172256620747883242601015493777608049398144073392577947291974579929087546237617765421 (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.