Question

find lcm using prime factorisation method
(b) 119 and 187​

Answer 1

Step-by-step explanation:

Factors of

119 = 7×17

189 = 3×3×3×7

To find LCM we need to multiply the factors of 119 and 189

multiply the factors only once which are common in both

Therefore,

LCM = 7×3×3×3×17

= 3213