Question

find the largest number which divides both 853 and 385 leaving the remainder 7 in both cases

Answer 1

The largest number is 18.

Step-by-step explanation:

Now to find the largest number we use 853 – 7 and 385 – 7 to get 846, 378  

We find the highest Common factor of 846 and 378, we get,

18 is the number which divides 846 and 378 without leaving any reminder.

Hence, the long method we found out that the largest number that divides both 853 and 385 with leaving 7 as remainder is 18, which is also the HCF of 846, 378