Question

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

Answer 1

Answer:

1. 140=2x2x5x7
2. 156=2x2x3x13
3. 3825=3x3x5x5x17
4. 5005=5x7x11x13
5. 7429=17x19x23..

Just keep trying these questions are usually numbers which are divisible

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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