What is the Greatest Common Factor of 191 and 198?
Greatest common factor (GCF) of 191 and 198 is 1.
GCF(191,198) = 1
We will now calculate the prime factors of 191 and 198, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 191 and 198.
How to find the GCF of 191 and 198?
We will first find the prime factorization of 191 and 198. After we will calculate the factors of 191 and 198 and find the biggest common factor number .
Step-1: Prime Factorization of 191
Prime factors of 191 are 191. Prime factorization of 191 in exponential form is:
191 = 1911
Step-2: Prime Factorization of 198
Prime factors of 198 are 2, 3, 11. Prime factorization of 198 in exponential form is:
198 = 21 × 32 × 111
Step-3: Factors of 191
List of positive integer factors of 191 that divides 191 without a remainder.
1
Step-4: Factors of 198
List of positive integer factors of 198 that divides 191 without a remainder.
1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 191 and 198. The biggest common factor number is the GCF number.
So the greatest common factor 191 and 198 is 1.
Also check out the Least Common Multiple of 191 and 198
Related Greatest Common Factors of 191
- GCF of 191 and 195
- GCF of 191 and 196
- GCF of 191 and 197
- GCF of 191 and 198
- GCF of 191 and 199
- GCF of 191 and 200
- GCF of 191 and 201
- GCF of 191 and 202
- GCF of 191 and 203
- GCF of 191 and 204
- GCF of 191 and 205
- GCF of 191 and 206
- GCF of 191 and 207
- GCF of 191 and 208
- GCF of 191 and 209
- GCF of 191 and 210
- GCF of 191 and 211
Related Greatest Common Factors of 198
- GCF of 198 and 202
- GCF of 198 and 203
- GCF of 198 and 204
- GCF of 198 and 205
- GCF of 198 and 206
- GCF of 198 and 207
- GCF of 198 and 208
- GCF of 198 and 209
- GCF of 198 and 210
- GCF of 198 and 211
- GCF of 198 and 212
- GCF of 198 and 213
- GCF of 198 and 214
- GCF of 198 and 215
- GCF of 198 and 216
- GCF of 198 and 217
- GCF of 198 and 218