The factor tree for 216 looks like 2 times 108 2 times 54 2 times 27 9 times 3
217 7,31
49 * 3 or 7 * 217 * 7 * 3
The greatest common factor of 155 and 217 is 31.
The greatest common factor of 133 and 217 is 7.
The factors of 217 are: 1 7 31 217
The only common factor of 217 and 400 is ' 1 '.
The GCF of 217 and 258 is 1.
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.
It is: 1
247,119,13
The GCF is 1.
The greatest common factor of 91 and 217 is 7 (and the lowest common multiple is 2,821)The factors of 91 are: 1, 7, 13, 91The factors of 217 are: 1, 7, 31, 217The common factors are: 1, 7The Greatest Common Factor (GCF) is: 7The Greatest Common Factor (GCF) is: 7