Sign Streak 與 20/20 Primes and Factor Trees 使用情況與統計

A power learning aid combines Coaching Calculators and Guides to help students master prime factorization, LCM and GCD. Prime factorization : - Prime factorization by factor trees LCM or Least Common Multiple : - LCM by prime factorization - LCM by listing multiples GCD or Greatest Common Divisor : - GCD by prime factorization - GCD by listing divisors You develop understanding quickly as you work with the calculator and see each step of the process in detail.