Question

How to find HCF of
25 ,40 and 75 ????



*show the method



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Answer 1

5 [25]

.. 5[5]

1

2[40]

2[20

2 [10

5 [ 5

1

5[75

5[15

3[ 3

1

HCF. is 25 =5×5×1

40=2×2×2×5×1

75=5×5×3×1

common number is 5

hcf is 5

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Answer 2

Step-by-step explanation:

To find the HCF of 25 and 40, we will find the prime factorization of the given numbers, i.e. 25 = 5 × 5; 40 = 2 × 2 × 2 × 5. ⇒ Since 5 is the only common prime factor of 25 and 40. Hence, HCF (25, 40) = 5.