An Exce-L-ent Algorithm for Factors and Multiples

  • An Exce-L-ent Algorithm for Factors and Multiples

    Jae Ki Lee, Kyong Mi Choi, and Melissa McAninch
    The L-shaped 2-5-3-7 algorithm, combining efficient Singaporean and Korean procedures with divisibility rules of primes 2, 3, 5, and 7, helps students identify LCMs and GCFs.