Lucas test
Encyclopedia
Lucas test may refer to
- The Lucas primality test for primality of general numbers
- The Lucas–Lehmer primality test for Mersenne primesMersenne primeIn mathematics, a Mersenne number, named after Marin Mersenne , is a positive integer that is one less than a power of two: M_p=2^p-1.\,...
- Lucas' reagentLucas' reagentLucas' reagent is a solution of zinc chloride in concentrated hydrochloric acid. This solution is used to classify alcohols of low molecular weight. The reaction is a substitution in which the chloride replaces a hydroxyl group. A positive test is indicated by a change from colourless to turbid,...
, used to classify alcohols of low molecular weight