Math, asked by parjapatiayush86, 9 months ago

EXERCISE 1.2
1. Express each number as a product of its prime factors:
(1) 140
(i) 156
(iii) 3825
(iv) 5005
(v) 7429
inairs of integers and verify that LCM x HCF=​

Answers

Answered by ankitamahato39
4

Answer:

1×140

2×70

4×35

5×28

7×20

10×14

Factors of 140= 1,2,4,5,7,10,14,20,28,35,70,140

Prime Factors = 2×2×5×7

Answered by mohnishkrishna05
0

:

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-- :

(i) 140

140=2×70

=2×2×35

=2×2×5×7

=2×2×5×7×1

(ii) 156

156=2×78

=2×2×39

=2×2×3×13

=2×2×3×13×1

(iii) 3825

3825=3×1275

=3×3×425

=3×3×5×85

=3×3×5×5×17

=3×3×5×5×17×1

(iv) 5005

5005=5×1001

=5×7×143

=5×7×11×13

=5×7×11×13×1

(v) 7429

7429=17×437

=17×19×23

=17×19×23×1(i) 140

140=2×70

=2×2×35

=2×2×5×7

=2×2×5×7×1

(ii) 156

156=2×78

=2×2×39

=2×2×3×13

=2×2×3×13×1

(iii) 3825

3825=3×1275

=3×3×425

=3×3×5×85

=3×3×5×5×17

=3×3×5×5×17×1

(iv) 5005

5005=5×1001

=5×7×143

=5×7×11×13

=5×7×11×13×1

(v) 7429

7429=17×437

=17×19×23

=17×19×23×1

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