Find the HCF of 1365, 1560 and 1755

Explanation

`1365 = 13**5**7**3`

`1560 = 3**5**2^3**13`

`1755 = 5**3^3**13`

`HCF` will be the common factors of these numbers.

`:. HCF` of these three numbers `= 3**5**13 = 495`.