Prime Minister of the United Kingdom retirement from the Commons, which elevates the individual to the House of Lords. Formerly, the peerage bestowed was usually an earldom, with Churchill offered a dukedom. From the 1960s onward, life peerages were preferred, although in 1984 Harold Macmillan was created Earl of Stockton. Sir Alec Douglas-Home, Harold Wilson, James Callaghan and Margaret Thatcher accepted life peerages, although Douglas-Home had previously disclaimed his hereditary title as Earl of Home. Edward Heath did not accept a peerage of any kind and nor have any of the Prime Ministers to retire since 1990; although Heath and Major were later appointed as Knights
Wilson prime primes. The following table lists all such primes with from up to 4: A Wilson number is a natural number "n" such that "W"("n") ≡ 0 (mod "n"), where formula_6, the constant "e" = 1 if and only if "n" have a primitive root, otherwise, "e" = -1 For every natural number "n", "W"("n") is divisible by "n", and the quotients (called generalized Wilson quotients) are listed in . The Wilson numbers are If a Wilson number "n" is prime, then "n" is a Wilson prime. There are 13 Wilson numbers up to 5. Wilson prime A Wilson prime, named