? ?? ? :

3825

(ii) 5005

(iii) 7429

(i) ?? :

3825

3

1275

425

85

17

(5)

38253x3x5x5x17 = 32 x 52 x 17

(ii) 5005 ??

5005

1001

5

143

(11)

A 5005571113

(iii) 7429 ??

7429

437

17

(19

23

7429 17 x 19 x 23

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