Question

find the hcf and thelcm of the numbers154, 198, 286​

Answer 1

Answer:

the lcm of 154 198 286 is 2 2 3 3 7 11=2772

Answer 2

HCF is 22 and LCM is 18018

Step-by-step explanation:

HCF:

2 | 154            2 | 198       2 | 286

7 |  77             3 | 99        11 | 143

11 | 11               3 | 33        13 | 13

  | 1                11  | 11              | 1

                          | 1

$154= 2 \times 7 \times 11\\198 = 2 \time 3 \times 3 \times 11\\286 = 2 \times 11 \times 13$

HCF =$2 \times 11 = 22$

LCM:

2  |  154 , 198 , 286

11  |  77 , 99 , 143

7  |  7 , 9 , 13

9 |   1 , 9 , 13

13 |  1 , 1, 13

   |   1 ,1 ,1

LCM = $2 \times 11 \times 7 \times 9 \times 13=18018$

Hence HCF is 22 and LCM is 18018

#Learn more :

LCM of the numbers 154, 198 and 286​

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