Question: including collaborations which rapper has had the most number 1 singles?
Answer: Ludacris – 4 number-one singles However, the “Move Bitch” rapper's catalog has topped the charts more than any of the aforementioned acts, with 56 total Hot 100 songs. Luda's incredible wordplay, rapid-fire flow, and memorable bangers made him one of the most successful MCs of the 2000s.