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 1185, 1188 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1185 and 1188 is 3.
GCF(1185,1188) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1185
3 | 1185 |
5 | 395 |
79 | 79 |
1 |
Prime factors of 1185 are 3,5,79. Prime factorization of 1185 in exponential form is:
1185 = 31×51×791
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
∴ So by taking common prime factors GCF of 1185 and 1188 is 3
Factors of 1185
List of positive integer factors of 1185 that divides 1185 without a remainder.
1,3,5,15,79,237,395,1185
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
Greatest Common Factor
We found the factors and prime factorization of 1185 and 1188. The biggest common factor number is the GCF number.
So the greatest common factor 1185 and 1188 is 3.
Also check out the Least Common Multiple of 1185 and 1188
(i) The GCF of 1185 and 1188 is associative
GCF of 1185 and 1188 = GCF of 1188 and 1185
1. What is the GCF of 1185 and 1188?
Answer: GCF of 1185 and 1188 is 3.
2. What are the Factors of 1185?
Answer: Factors of 1185 are 1, 3, 5, 15, 79, 237, 395, 1185. There are 8 integers that are factors of 1185. The greatest factor of 1185 is 1185.
3. 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.
4. How to Find the GCF of 1185 and 1188?
Answer:
Greatest Common Factor of 1185 and 1188 = 3
Step 1: Find the prime factorization of 1185
1185 = 3 x 5 x 79
Step 2: Find the prime factorization of 1188
1188 = 2 x 2 x 3 x 3 x 3 x 11
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 1185 and 1188 is 3