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, 669 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 668 and 669 is 1.
GCF(668,669) = 1
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 669
3 | 669 |
223 | 223 |
1 |
Prime factors of 669 are 3,223. Prime factorization of 669 in exponential form is:
669 = 31×2231
∴ So by taking common prime factors GCF of 668 and 669 is 1
Factors of 668
List of positive integer factors of 668 that divides 668 without a remainder.
1,2,4,167,334,668
Factors of 669
List of positive integer factors of 669 that divides 669 without a remainder.
1,3,223,669
Greatest Common Factor
We found the factors and prime factorization of 668 and 669. The biggest common factor number is the GCF number.
So the greatest common factor 668 and 669 is 1.
Also check out the Least Common Multiple of 668 and 669
(i) The GCF of 668 and 669 is associative
GCF of 668 and 669 = GCF of 669 and 668
1. What is the GCF of 668 and 669?
Answer: GCF of 668 and 669 is 1.
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 669?
Answer: Factors of 669 are 1, 3, 223, 669. There are 4 integers that are factors of 669. The greatest factor of 669 is 669.
4. How to Find the GCF of 668 and 669?
Answer:
Greatest Common Factor of 668 and 669 = 1
Step 1: Find the prime factorization of 668
668 = 2 x 2 x 167
Step 2: Find the prime factorization of 669
669 = 3 x 223
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 668 and 669 is 1