Question

using prime factorization find lcm of 40, 48, 45​

Answer 1

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Answer 2

Answer:

40 ÷2=20

20÷2=10

10÷2=5

5÷5=1

so, LCM of 40 is 2*2*2*5

48÷2=24

24÷2=12

12÷2=6

6÷2=3

3÷3=1

so, LCM of 48 is 2*2*2*2*3

45÷5=9

9÷3=3

3÷3=1

so, LCM of 45 is 5*3*3