Question

find the LCM of the following numbers by division method 1) 84, 112, 196 2) 102, 119, 153 3) 45, 99, 132, 165​

Answer 1

Answer:

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Step-by-step explanation:

1] 84,112,196

2 | 84,112,196

2 |42,56,98

2 |21,28,49

7 | 3,4, 7

2X2X2X7X3X4X7= 96X49 = 4704.

2] 102,119,153

102|2,3,17

119|7,17

153|3,3,17

so lcm is - 17x3x2x7x3x3 = 6426

3] 45,99,132,165

45=3*3*5

99=3*3*11

132=2*2*3*11

165=3*5*11

so LCM

3*3*5*11*2*2=1980