abstract:In number theory, a probable prime (PRP) is an integer that satisfies a specific condition that is satisfied by all prime numbers, but which is not satisfied by most composite numbers. Different types of probable primes have different specific conditions.
Mr Clark's probable replacement as head of a revamped Cabinet Office was thought to be Peter Mandelson, the prime minister's fixer, who has been notably unenthusiastic about the freedom of information bill.