関連ワード:  find the lcm and hcf of 12 15 21 by prime factorization method    find the lcm and hcf of 12 15 and 21 integers by the prime factorization method    find the lcm and hcf of 12 15 and 21 by applying prime factorization method  
結果 : find the lcm and hcf of 12 15 21 by prime factorization method