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, 1189 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1185 and 1189 is 1.
GCF(1185,1189) = 1
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 1189
29 | 1189 |
41 | 41 |
1 |
Prime factors of 1189 are 29,41. Prime factorization of 1189 in exponential form is:
1189 = 291×411
∴ So by taking common prime factors GCF of 1185 and 1189 is 1
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 1189
List of positive integer factors of 1189 that divides 1189 without a remainder.
1,29,41,1189
Greatest Common Factor
We found the factors and prime factorization of 1185 and 1189. The biggest common factor number is the GCF number.
So the greatest common factor 1185 and 1189 is 1.
Also check out the Least Common Multiple of 1185 and 1189
(i) The GCF of 1185 and 1189 is associative
GCF of 1185 and 1189 = GCF of 1189 and 1185
1. What is the GCF of 1185 and 1189?
Answer: GCF of 1185 and 1189 is 1.
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 1189?
Answer: Factors of 1189 are 1, 29, 41, 1189. There are 4 integers that are factors of 1189. The greatest factor of 1189 is 1189.
4. How to Find the GCF of 1185 and 1189?
Answer:
Greatest Common Factor of 1185 and 1189 = 1
Step 1: Find the prime factorization of 1185
1185 = 3 x 5 x 79
Step 2: Find the prime factorization of 1189
1189 = 29 x 41
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 1185 and 1189 is 1