EntityQ2346904· pop 17· linked from 27 articlesEuler's criterionSign in to savein number theory concerning primesConnectionsEnglish languageConceptGermanEntityCarl Friedrich GaussEntityLeonhard EulerEntityInternational Standard Book NumberEntityprime numberEntityintegerEntitynumber theoryEntityG.H. HardyEntityparityEntityfieldEntityEuclidean algorithmEntityOxford University PressEntityFermat's little theoremEntitycoprimeEntitymodular arithmeticEntityWilson's theoremEntityClassical LatinEntitySpringer Science+Business MediaEntityLegendre symbolEntityCategoriesModular arithmeticQuadratic residueSquares in number theoryTheorems about prime numbers