How to get the greatest common divisor of two numbers

GCD :-  greatest common divisor :-  It means the largest number that divide the given two numbers .

Steps :-   1  Find the divisor of given numbers

like we have 27 and 45

factors of 27   :-    1  , 3  , 9 , 27

factors of 45   :-     1 , 3 ,  5 , 9 , 15 ,  45

there are two common factors    {   3  and 9 }

but the greater one is 9

so GCD of 27 and 45  is 9

answer: ouch. thats difficult

step-by-step explanation: