Cousin primes are numbers wherein two numbers have a gap of four. Examples 7 and 11 are cousin primes. 19 and 23 are cousin primes. Largest Known Cousin Primes See Also Twin Primes, wherein the gap is two. Sexy Primes, wherein the gap is six. Retrieved from "https://prime-numbers.fandom.com/wiki/Cousin_Primes?oldid=12811" Community content is available under CC-BY-SA unless otherwise noted.