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 668, 676 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 668 and 676 is 4.
GCF(668,676) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 668
2 | 668 |
2 | 334 |
167 | 167 |
1 |
Prime factors of 668 are 2,167. Prime factorization of 668 in exponential form is:
668 = 22×1671
Prime Factorization of 676
2 | 676 |
2 | 338 |
13 | 169 |
13 | 13 |
1 |
Prime factors of 676 are 2,13. Prime factorization of 676 in exponential form is:
676 = 22×132
∴ So by taking common prime factors GCF of 668 and 676 is 4
Factors of 668
List of positive integer factors of 668 that divides 668 without a remainder.
1,2,4,167,334,668
Factors of 676
List of positive integer factors of 676 that divides 676 without a remainder.
1,2,4,13,26,52,169,338,676
Greatest Common Factor
We found the factors and prime factorization of 668 and 676. The biggest common factor number is the GCF number.
So the greatest common factor 668 and 676 is 4.
Also check out the Least Common Multiple of 668 and 676
(i) The GCF of 668 and 676 is associative
GCF of 668 and 676 = GCF of 676 and 668
1. What is the GCF of 668 and 676?
Answer: GCF of 668 and 676 is 4.
2. What are the Factors of 668?
Answer: Factors of 668 are 1, 2, 4, 167, 334, 668. There are 6 integers that are factors of 668. The greatest factor of 668 is 668.
3. What are the Factors of 676?
Answer: Factors of 676 are 1, 2, 4, 13, 26, 52, 169, 338, 676. There are 9 integers that are factors of 676. The greatest factor of 676 is 676.
4. How to Find the GCF of 668 and 676?
Answer:
Greatest Common Factor of 668 and 676 = 4
Step 1: Find the prime factorization of 668
668 = 2 x 2 x 167
Step 2: Find the prime factorization of 676
676 = 2 x 2 x 13 x 13
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 = 4
Step 4: Therefore, the greatest common factor of 668 and 676 is 4