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 662, 668 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 662 and 668 is 2.
GCF(662,668) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 662
2 | 662 |
331 | 331 |
1 |
Prime factors of 662 are 2,331. Prime factorization of 662 in exponential form is:
662 = 21×3311
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
∴ So by taking common prime factors GCF of 662 and 668 is 2
Factors of 662
List of positive integer factors of 662 that divides 662 without a remainder.
1,2,331,662
Factors of 668
List of positive integer factors of 668 that divides 668 without a remainder.
1,2,4,167,334,668
Greatest Common Factor
We found the factors and prime factorization of 662 and 668. The biggest common factor number is the GCF number.
So the greatest common factor 662 and 668 is 2.
Also check out the Least Common Multiple of 662 and 668
(i) The GCF of 662 and 668 is associative
GCF of 662 and 668 = GCF of 668 and 662
1. What is the GCF of 662 and 668?
Answer: GCF of 662 and 668 is 2.
2. What are the Factors of 662?
Answer: Factors of 662 are 1, 2, 331, 662. There are 4 integers that are factors of 662. The greatest factor of 662 is 662.
3. 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.
4. How to Find the GCF of 662 and 668?
Answer:
Greatest Common Factor of 662 and 668 = 2
Step 1: Find the prime factorization of 662
662 = 2 x 331
Step 2: Find the prime factorization of 668
668 = 2 x 2 x 167
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 662 and 668 is 2