Back حدسية غولدباخ Arabic Хипотеза на Голдбах Bulgarian গোল্ডবাখ অনুমান Bengali/Bangla Conjectura de Goldbach Catalan مەزندەی گۆڵدباخ CKB Cungittura di Goldbach Corsican Goldbachova hypotéza Czech Goldbachs formodning Danish Goldbachsche Vermutung German Εικασία του Γκόλντμπαχ Greek
Goldbach's conjecture is one of the oldest unsolved problems in number theory and in all of mathematics. It states: