Question

find HCF and LCM by prime factorization method 80, 90 ,120 and 240​

Answer 1

Answer:

Least common multiple

lcm (80; 120) = 240 = 24 × 3 × 5;

The numbers have common prime factors.

Step-by-step explanation:

80 = 24 × 5;

120 = 23 × 3 × 5;

Multiply all the prime factors, by the largest exponents.

Least common multiple:

lcm (80; 120) = 24 × 3 × 5;

lcm (80; 120) = 24 × 3 × 5 = 240