🌐EnglishEnglishEspañolFrançaisNederlandsSvenskaРусскийالعربية中文日本語EntityQ2498974· pop 15· linked from 13 articlesradical of an integerthe product of the prime factors of a given integerAvailable in 15 languagesEspañolFrançais中文日本語РусскийالعربيةDanishFinnishHebrewNederlandsConnectionsInternational Standard Book NumberEntityprime numberEntityCategoriesAbc conjectureMultiplicative functions