prime product
121Belarus — /byel euh roohs , bel /, n. official name of Byelorussia. * * * Belarus Introduction Belarus Background: After seven decades as a constituent republic of the USSR, Belarus attained its independence in 1991. It has retained closer political and… …
122Denmark — /den mahrk/, n. a kingdom in N Europe, on the Jutland peninsula and adjacent islands. 5,268,775; 16,576 sq. mi. (42,930 sq. km). Cap.: Copenhagen. * * * Denmark Introduction Denmark Background: Once the seat of Viking raiders and later a major… …
123Fiji — /fee jee/, n. 1. an independent archipelago of some 800 islands in the S Pacific, N of New Zealand, composed of the Fiji Islands and a smaller group to the NW: formerly a British colony, now a member of the Commonwealth of Nations. 792,441; 7040… …
124Divergence of the sum of the reciprocals of the primes — The sum of the reciprocals of all prime numbers diverges, that is: This was proved by Leonhard Euler in 1737, and strengthens Euclid s 3rd century BC result that there are infinitely many prime numbers. There is a variety of proofs of Euler s… …
125Algebraic number field — In mathematics, an algebraic number field (or simply number field) F is a finite (and hence algebraic) field extension of the field of rational numbers Q. Thus F is a field that contains Q and has finite dimension when considered as a vector… …
126Glossary of ring theory — Ring theory is the branch of mathematics in which rings are studied: that is, structures supporting both an addition and a multiplication operation. This is a glossary of some terms of the subject. Contents 1 Definition of a ring 2 Types of… …
127Quadratic sieve — The quadratic sieve algorithm (QS) is a modern integer factorization algorithm and, in practice, the second fastest method known (after the general number field sieve). It is still the fastest for integers under 100 decimal digits or so, and is… …
128Lithuania — Lithuanic /lith ooh an ik/, adj., n. /lith ooh ay nee euh/, n. a republic in N Europe, on the Baltic: an independent state 1918 40; annexed by the Soviet Union 1940; regained independence 1991. 3,635,932; 25,174 sq. mi. (65,200 sq. km). Cap.:… …
