119 = 7 x 17; 217 = 7 x 31 so HCF = 7
Chat with our AI personalities
Well, darling, the highest common factor of 77 and 217 is 7. It's as simple as that. No need to complicate things, honey. Just remember to keep it sassy and straightforward, okay?
The only common factor of 217 and 400 is ' 1 '.
2085370.
1 , why? 217 can only be divided by 1,7 and 217 while 200 is not divisibel by any of the factprs of 217 so the answer is 1.
31. Factor each number: 62 = 2 x 31 217 = 7 x 31 155 = 5 x 31. The only factor that is common to all three numbers (and thus, the greatest common factor) is 31.