Factor Info

ID 21028
Size 402 digits / 1333 bits
Status composite
Value 156255371629825711626587167781948078467457392747506564861460233876054850192793975840691606306136898503426669549181957866494937439351085633894258401875607355112049409198881025774978347015826732747088283126888239320014581218666162810434110919087427350861509809239508792206795196828235245754515152040684064430543285970240317991398957428675735882523211280360396468196378761696249877683749120771529412846041

Factorizations

Primary (ID: 6673) 177635683940025046467781066894531 (proven prime)
(ID: 29314) 879639541808401808904839298700716016525033322579997622280998733859799156239434866922117423129147971315165015362385098495064202703941379168185516233360155817063637403295773738424645511131261763153593505785418866365879523830157782559108642308781740324890061964509894025326168420154379667659684142419912318805363477075124206248606141352621706241181939185872317782495100211 (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.