Prime Minister of Spain

The President of the Government of Spain (Spanish: Presidente del Gobierno), formally known by English-speaking nations and formally translated by the European Commission Directorate-General in English as Prime Minister is the head of Government of Spain. The current office is established under the Constitution of 1978.

The King of Spain nominates a candidate for the presidency who stands before the Congress of Deputies of Spain, the lower house of the Cortes Generales (parliament), for a vote of confidence in a process known as a parliamentarian investiture, effectively an indirect election of the head of government by the elected Congress of Deputies. In practice, the Prime Minister is almost always the leader of the largest party in the Congress. Since current constitutional practice in Spain calls for the King to act on the advice of his ministers, the Prime Minister is effectively the country's chief executive.

Mariano Rajoy Brey of the People's Party has been the prime minister since he was sworn in on December 21, 2011, after winning the 2011 general election.

Prime minister

A prime minister is the most senior minister of cabinet in the executive branch of government, often in a parliamentary or semi-presidential system. In many systems, the prime minister selects and may dismiss other members of the cabinet, and allocates posts to members within the government. In most systems, the prime minister is the presiding member and chairman of the cabinet. In a minority of systems, notably in semi-presidential systems of government, a prime minister is the official who is appointed to manage the civil service and execute the directives of the head of state.

In parliamentary systems fashioned after the Westminster system, the prime minister is the presiding and actual head of government and head of the executive branch. In such systems, the head of state or the head of state's official representative (i.e. the monarch, president, or governor-general) usually holds a largely ceremonial position, although often with reserve powers.

The prime minister is often, but not always, a member of parliament and is expected with other ministers to ensure the passage of bills through the legislature. In some monarchies the monarch may also exercise executive powers (known as the royal prerogative) that are constitutionally vested in the crown and may be exercised without the approval of parliament.

Mariano Rajoy

Mariano Rajoy Brey (Spanish pronunciation: [maˈɾjano raˈxoi ˈβɾei]; born 27 March 1955) is a Spanish politician who became leader of the People's Party in 2004 and Prime Minister of Spain in 2011 following the People's Party landslide victory in that year's general election. His party lost their majority in the 2015 general election and it remains uncertain as to whether Rajoy will remain in office.

Rajoy had been a Minister in José María Aznar's administration between 1996 and 2003, and Deputy Prime Minister between 2000 and 2003. He was the Leader of the Opposition between 2004 and 2011 under José Luis Rodríguez Zapatero's government.

Early life and education

Born 27 March 1955 in Santiago de Compostela, A Coruña, Galicia, Rajoy is the grandson of Enrique Rajoy Leloup, one of the architects of the Statute of Autonomy of Galicia in 1932, who was removed from university teaching by the dictatorship in the early 1950s. He is the son of Mariano Rajoy Sobredo, a jurist, and president of the Provincial Court of Pontevedra, the city where he grew up.

Spanish

Spanish may refer to:

Spain

Ontario

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Prime number

A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is called a composite number. For example, 5 is prime because 1 and 5 are its only positive integer factors, whereas 6 is composite because it has the divisors 2 and 3 in addition to 1 and 6. The fundamental theorem of arithmetic establishes the central role of primes in number theory: any integer greater than 1 can be expressed as a product of primes that is unique up to ordering. The uniqueness in this theorem requires excluding 1 as a prime because one can include arbitrarily many instances of 1 in any factorization, e.g., 3, 1 · 3, 1 · 1 · 3, etc. are all valid factorizations of 3.

The property of being prime (or not) is called primality. A simple but slow method of verifying the primality of a given number n is known as trial division. It consists of testing whether n is a multiple of any integer between 2 and . Algorithms much more efficient than trial division have been devised to test the primality of large numbers. These include the Miller–Rabin primality test, which is fast but has a small probability of error, and the AKS primality test, which always produces the correct answer in polynomial time but is too slow to be practical. Particularly fast methods are available for numbers of special forms, such as Mersenne numbers. As of January 2016, the largest known prime number has 22,338,618 decimal digits.