Question

hcf and lcm 120to180

Answer 1

teps to find LCMFind the prime factorization of 120
120 = 2 × 2 × 2 × 3 × 5Find the prime factorization of 180
180 = 2 × 2 × 3 × 3 × 5Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2 × 2 × 2 × 3 × 3 × 5LCM = 360

Answer 2

120 = 2x2x2x3x5
180 = 2x2x3x3x5
LCM = 2x2x2x3x3x5
= 360
HCF = 2 x 2 x 3
= 12