EntityQ1129629· pop 11· linked from 33 articlesLemoine's conjectureSign in to saveconjecture that any odd integer >5 equals an odd prime plus an even semiprimeConnectionsFirst Hardy–Littlewood conjectureEntityprime numberEntitynumber theoryEntitydigital object identifierEntityparityEntityJSTOROrganizationQ118398EntityGoldbach's conjectureEntitytwin primeEntityOn-Line Encyclopedia of Integer SequencesEntityMathWorldEntitysemiprimeEntityEric W. WeissteinEntityLandau's problemsEntityGoldbach's weak conjectureEntityRichard K. GuyEntityLegendre's conjectureEntityÉmile LemoineEntityAndrica's conjectureEntityBrocard's conjectureEntityCategoriesAdditive number theoryConjectures about prime numbersUnsolved problems in number theory