Question

Express each of the following number as a product of its prime factors with explainaton
(i) 140
(ii) 156
(iii) 3825
(iv) 5005
(v) 7429​

Answer 1

Use LCM method -:

i) 140 = 2 × 2 × 5 × 7

ii) 156 = 2 × 2 × 3 × 13

iii) 3825 = 3 × 3 × 5 × 5 × 17

iv) 5005 = 5 × 7 × 11 × 13

v) 7429 = 17 × 19 × 23

Answer 2

Answer:

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Step-by-step explanation:

(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