From Sahih Muslim (Hadith 6810):
Abu Huraira reported Allah's Apostle (ﷺ) as saying:Verily, there are ninety-nine names for Allah, i. e. hundred excepting one. He who enumerates them would get into Paradise. And Hammam has made this addition on the authority of Abu Huraira who reported it from Allah's Apostle (ﷺ) that he said:" He is Odd (one) and loves odd number
Reference: Muslim 6810