Question

find the prime factors of the following numbers and find their lcm and hcf 1.75,135​

Answer 1

Step-by-step explanation:

The lcm of 75 and 135 is 675.

Steps to find LCM

• Find the prime factorization of 75

75 = 3 × 5 × 5

• Find the prime factorization of 135

135 = 3 × 3 × 3 × 5

• Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

• LCM = 3 × 3 × 3 × 5 × 5

LCM = 675