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 667, 672 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 667 and 672 is 1.
GCF(667,672) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
Prime Factorization of 672
2 | 672 |
2 | 336 |
2 | 168 |
2 | 84 |
2 | 42 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 672 are 2,3,7. Prime factorization of 672 in exponential form is:
672 = 25×31×71
∴ So by taking common prime factors GCF of 667 and 672 is 1
Factors of 667
List of positive integer factors of 667 that divides 667 without a remainder.
1,23,29,667
Factors of 672
List of positive integer factors of 672 that divides 672 without a remainder.
1,2,3,4,6,7,8,12,14,16,21,24,28,32,42,48,56,84,96,112,168,224,336,672
Greatest Common Factor
We found the factors and prime factorization of 667 and 672. The biggest common factor number is the GCF number.
So the greatest common factor 667 and 672 is 1.
Also check out the Least Common Multiple of 667 and 672
(i) The GCF of 667 and 672 is associative
GCF of 667 and 672 = GCF of 672 and 667
1. What is the GCF of 667 and 672?
Answer: GCF of 667 and 672 is 1.
2. 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.
3. What are the Factors of 672?
Answer: Factors of 672 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672. There are 24 integers that are factors of 672. The greatest factor of 672 is 672.
4. How to Find the GCF of 667 and 672?
Answer:
Greatest Common Factor of 667 and 672 = 1
Step 1: Find the prime factorization of 667
667 = 23 x 29
Step 2: Find the prime factorization of 672
672 = 2 x 2 x 2 x 2 x 2 x 3 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 667 and 672 is 1