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 1145, 1149 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1145 and 1149 is 1.
GCF(1145,1149) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1145
5 | 1145 |
229 | 229 |
1 |
Prime factors of 1145 are 5,229. Prime factorization of 1145 in exponential form is:
1145 = 51×2291
Prime Factorization of 1149
3 | 1149 |
383 | 383 |
1 |
Prime factors of 1149 are 3,383. Prime factorization of 1149 in exponential form is:
1149 = 31×3831
∴ So by taking common prime factors GCF of 1145 and 1149 is 1
Factors of 1145
List of positive integer factors of 1145 that divides 1145 without a remainder.
1,5,229,1145
Factors of 1149
List of positive integer factors of 1149 that divides 1149 without a remainder.
1,3,383,1149
Greatest Common Factor
We found the factors and prime factorization of 1145 and 1149. The biggest common factor number is the GCF number.
So the greatest common factor 1145 and 1149 is 1.
Also check out the Least Common Multiple of 1145 and 1149
(i) The GCF of 1145 and 1149 is associative
GCF of 1145 and 1149 = GCF of 1149 and 1145
1. What is the GCF of 1145 and 1149?
Answer: GCF of 1145 and 1149 is 1.
2. What are the Factors of 1145?
Answer: Factors of 1145 are 1, 5, 229, 1145. There are 4 integers that are factors of 1145. The greatest factor of 1145 is 1145.
3. What are the Factors of 1149?
Answer: Factors of 1149 are 1, 3, 383, 1149. There are 4 integers that are factors of 1149. The greatest factor of 1149 is 1149.
4. How to Find the GCF of 1145 and 1149?
Answer:
Greatest Common Factor of 1145 and 1149 = 1
Step 1: Find the prime factorization of 1145
1145 = 5 x 229
Step 2: Find the prime factorization of 1149
1149 = 3 x 383
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 1145 and 1149 is 1