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 231, 239 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 231 and 239 is 1.
GCF(231,239) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 231
3 | 231 |
7 | 77 |
11 | 11 |
1 |
Prime factors of 231 are 3,7,11. Prime factorization of 231 in exponential form is:
231 = 31×71×111
Prime Factorization of 239
239 | 239 |
1 |
Prime factors of 239 are 239. Prime factorization of 239 in exponential form is:
239 = 2391
∴ So by taking common prime factors GCF of 231 and 239 is 1
Factors of 231
List of positive integer factors of 231 that divides 231 without a remainder.
1,3,7,11,21,33,77,231
Factors of 239
List of positive integer factors of 239 that divides 239 without a remainder.
1,239
Greatest Common Factor
We found the factors and prime factorization of 231 and 239. The biggest common factor number is the GCF number.
So the greatest common factor 231 and 239 is 1.
Also check out the Least Common Multiple of 231 and 239
(i) The GCF of 231 and 239 is associative
GCF of 231 and 239 = GCF of 239 and 231
1. What is the GCF of 231 and 239?
Answer: GCF of 231 and 239 is 1.
2. What are the Factors of 231?
Answer: Factors of 231 are 1, 3, 7, 11, 21, 33, 77, 231. There are 8 integers that are factors of 231. The greatest factor of 231 is 231.
3. What are the Factors of 239?
Answer: Factors of 239 are 1, 239. There are 2 integers that are factors of 239. The greatest factor of 239 is 239.
4. How to Find the GCF of 231 and 239?
Answer:
Greatest Common Factor of 231 and 239 = 1
Step 1: Find the prime factorization of 231
231 = 3 x 7 x 11
Step 2: Find the prime factorization of 239
239 = 239
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 231 and 239 is 1