For a list of other meanings, see Thirteen (disambiguation). Guess the one on fire! We are the 13, the first, the forgotten, each of us serving a function vital to the survival of the universe. Each of us designated a Prime and given a function to serve during the long march of infinity. The Covenant of Primus. Solus Prime was the fourth Prime created by Primus to defeat Unicron. The builder and creator of the Thirteen, Solus opted to remain a free agent as the newborn Primes strategized for their upcoming battle against the chaos-bringer. The prime minister is appointed by the president of India; however, the prime minister has to enjoy the confidence of the majority of Lok Sabha members, who are directly elected every five years, unless a prime minister resigns.The prime minister is the presiding member of the Council of Ministers of the Union government.The prime minister unilaterally controls the selection and dismissal of In mathematics, a Mersenne prime is a prime number that is one less than a power of two.That is, it is a prime number of the form M n = 2 n − 1 for some integer n.They are named after Marin Mersenne, a French Minim friar, who studied them in the early 17th century.If n is a composite number then so is 2 n − 1.Therefore, an equivalent definition of the Mersenne primes is that they are the .

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