Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 1188, 1191 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1188 and 1191 is 3.
GCF(1188,1191) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1188
2 | 1188 |
2 | 594 |
3 | 297 |
3 | 99 |
3 | 33 |
11 | 11 |
1 |
Prime factors of 1188 are 2,3,11. Prime factorization of 1188 in exponential form is:
1188 = 22×33×111
Prime Factorization of 1191
3 | 1191 |
397 | 397 |
1 |
Prime factors of 1191 are 3,397. Prime factorization of 1191 in exponential form is:
1191 = 31×3971
∴ So by taking common prime factors GCF of 1188 and 1191 is 3
Factors of 1188
List of positive integer factors of 1188 that divides 1188 without a remainder.
1,2,3,4,6,9,11,12,18,22,27,33,36,44,54,66,99,108,132,198,297,396,594,1188
Factors of 1191
List of positive integer factors of 1191 that divides 1191 without a remainder.
1,3,397,1191
Greatest Common Factor
We found the factors and prime factorization of 1188 and 1191. The biggest common factor number is the GCF number.
So the greatest common factor 1188 and 1191 is 3.
Also check out the Least Common Multiple of 1188 and 1191
(i) The GCF of 1188 and 1191 is associative
GCF of 1188 and 1191 = GCF of 1191 and 1188
1. What is the GCF of 1188 and 1191?
Answer: GCF of 1188 and 1191 is 3.
2. What are the Factors of 1188?
Answer: Factors of 1188 are 1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188. There are 24 integers that are factors of 1188. The greatest factor of 1188 is 1188.
3. What are the Factors of 1191?
Answer: Factors of 1191 are 1, 3, 397, 1191. There are 4 integers that are factors of 1191. The greatest factor of 1191 is 1191.
4. How to Find the GCF of 1188 and 1191?
Answer:
Greatest Common Factor of 1188 and 1191 = 3
Step 1: Find the prime factorization of 1188
1188 = 2 x 2 x 3 x 3 x 3 x 11
Step 2: Find the prime factorization of 1191
1191 = 3 x 397
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 1188 and 1191 is 3