Question

1. Find the LCM of the following numbers
by prime factorization method:
(i) 16, 24
(iii) 72, 90, 108
(v) 22, 121, 418
(ii) 36,48,84
(iv) 7 ,11, 13
(vi) 14, 28, 35,56
of the following numbers​

Answer 1

Answer:

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Answer 2

i.16 24

2(16) 2(12)

2(8) 2(6)

2(4) 3(3)

2(2) 1

1

ii.72 90 108

2(36) 3(30) 2(54)

2(18) 3(10) 3(27)

3(9) 5(5) 3 ( 9)

3(3) 1 3(3)

1 1

v.22 121 418

2(22) 11(121) 2(418)

11 (1 1) 11(11) 11(209)

1 1 19(19)

1

ii.36 48 84

3(12) 2(24) 2(42)

2(4) 2(12) 7(21)

2(2) . 2(6) 3( 3)

1 3(3) 1

1

iv.7 11 13

7(7) 11(11) 13(13)

1 1 1

vi.14 28 35 56

7(14) 7(28) 7(35) 2(56)

2(2) 2 (4) 5(5) 2(28)

1 2(2) 1 7 (14)

1 2(2)

1