Partial Glossary Index: qr

• quadratic non-residue
      quadratic residue
  
• radix
      radix-point
  
• rational number
  
• reflectable prime
  
• regular prime
  
• relatively prime
  
• repeating decimal expansion
  
• repunit
      repunit prime
  
• residue
  
• Riemann hypothesis
  
• Riemann zeta function
  
• Riesel number
  
• right-to-left binary exponentiation
  
• right-truncatable prime
  
• root
      root of a function
  
• RSA
      RSA cryptosystem
  
• RSA encryption example