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 659, 665 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 659 and 665 is 1.
GCF(659,665) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 659
659 | 659 |
1 |
Prime factors of 659 are 659. Prime factorization of 659 in exponential form is:
659 = 6591
Prime Factorization of 665
5 | 665 |
7 | 133 |
19 | 19 |
1 |
Prime factors of 665 are 5.Prime factorization of 665 in exponential form is:
665 = 51×71×191
∴ So by taking common prime factors GCF of 659 and 665 is 1
Factors of 659
List of positive integer factors of 659 that divides 659 without a remainder.
1,659
Factors of 665
List of positive integer factors of 665 that divides 665 without a remainder.
1,5,7,19,35,95,133,665
Greatest Common Factor
We found the factors and prime factorization of 659 and 665. The biggest common factor number is the GCF number.
So the greatest common factor 659 and 665 is 1.
Also check out the Least Common Multiple of 659 and 665
(i) The GCF of 659 and 665 is associative
GCF of 659 and 665 = GCF of 665 and 659
1. What is the GCF of 659 and 665?
Answer: GCF of 659 and 665 is 1.
2. What are the Factors of 659?
Answer: Factors of 659 are 1, 659. There are 2 integers that are factors of 659. The greatest factor of 659 is 659.
3. What are the Factors of 665?
Answer: Factors of 665 are 1, 5, 7, 19, 35, 95, 133, 665. There are 8 integers that are factors of 665. The greatest factor of 665 is 665.
4. How to Find the GCF of 659 and 665?
Answer:
Greatest Common Factor of 659 and 665 = 1
Step 1: Find the prime factorization of 659
659 = 659
Step 2: Find the prime factorization of 665
665 = 5 x 7 x 19
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 659 and 665 is 1