Wilson primes are prime numbers where (p-1)! + 1 can by divided by p twice to yield an integer. So far, only 3 are known. What is special about this rule is that no composite number can pass it. Trending pages 13 All items (3) # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Other 1 13 5 5 563 Retrieved from "https://prime-numbers.fandom.com/wiki/Category:Wilson_Primes?oldid=16503" Community content is available under CC-BY-SA unless otherwise noted.