Question

Find the LCM of the number by prime factorisation: 36,60,84,90

Answer 1

Answer:  1260

Step-by-step explanation

2 | 36 , 60 , 84 , 90

3  | 18 , 30 , 42 , 45

2   | 6 , 10 ,   14 ,  15

5   | 3 ,  5  ,   7    , 15

3   | 3 ,  1   , 7    ,  3

 7   | 1   , 1  ,   7   ,   1

       | 1   , 1    ,   1   ,  1