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 664, 667 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 664 and 667 is 1.
GCF(664,667) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 664
2 | 664 |
2 | 332 |
2 | 166 |
83 | 83 |
1 |
Prime factors of 664 are 2,83. Prime factorization of 664 in exponential form is:
664 = 23×831
Prime Factorization of 667
23 | 667 |
29 | 29 |
1 |
Prime factors of 667 are 23,29. Prime factorization of 667 in exponential form is:
667 = 231×291
∴ So by taking common prime factors GCF of 664 and 667 is 1
Factors of 664
List of positive integer factors of 664 that divides 664 without a remainder.
1,2,4,8,83,166,332,664
Factors of 667
List of positive integer factors of 667 that divides 667 without a remainder.
1,23,29,667
Greatest Common Factor
We found the factors and prime factorization of 664 and 667. The biggest common factor number is the GCF number.
So the greatest common factor 664 and 667 is 1.
Also check out the Least Common Multiple of 664 and 667
(i) The GCF of 664 and 667 is associative
GCF of 664 and 667 = GCF of 667 and 664
1. What is the GCF of 664 and 667?
Answer: GCF of 664 and 667 is 1.
2. What are the Factors of 664?
Answer: Factors of 664 are 1, 2, 4, 8, 83, 166, 332, 664. There are 8 integers that are factors of 664. The greatest factor of 664 is 664.
3. What are the Factors of 667?
Answer: Factors of 667 are 1, 23, 29, 667. There are 4 integers that are factors of 667. The greatest factor of 667 is 667.
4. How to Find the GCF of 664 and 667?
Answer:
Greatest Common Factor of 664 and 667 = 1
Step 1: Find the prime factorization of 664
664 = 2 x 2 x 2 x 83
Step 2: Find the prime factorization of 667
667 = 23 x 29
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 664 and 667 is 1