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 239, 245 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 239 and 245 is 1.
GCF(239,245) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 239
239 | 239 |
1 |
Prime factors of 239 are 239. Prime factorization of 239 in exponential form is:
239 = 2391
Prime Factorization of 245
5 | 245 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 245 are 5.Prime factorization of 245 in exponential form is:
245 = 51×72
∴ So by taking common prime factors GCF of 239 and 245 is 1
Factors of 239
List of positive integer factors of 239 that divides 239 without a remainder.
1,239
Factors of 245
List of positive integer factors of 245 that divides 245 without a remainder.
1,5,7,35,49,245
Greatest Common Factor
We found the factors and prime factorization of 239 and 245. The biggest common factor number is the GCF number.
So the greatest common factor 239 and 245 is 1.
Also check out the Least Common Multiple of 239 and 245
(i) The GCF of 239 and 245 is associative
GCF of 239 and 245 = GCF of 245 and 239
1. What is the GCF of 239 and 245?
Answer: GCF of 239 and 245 is 1.
2. 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.
3. What are the Factors of 245?
Answer: Factors of 245 are 1, 5, 7, 35, 49, 245. There are 6 integers that are factors of 245. The greatest factor of 245 is 245.
4. How to Find the GCF of 239 and 245?
Answer:
Greatest Common Factor of 239 and 245 = 1
Step 1: Find the prime factorization of 239
239 = 239
Step 2: Find the prime factorization of 245
245 = 5 x 7 x 7
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 239 and 245 is 1