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 206, 208 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 206 and 208 is 2.
GCF(206,208) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 206
2 | 206 |
103 | 103 |
1 |
Prime factors of 206 are 2,103. Prime factorization of 206 in exponential form is:
206 = 21×1031
Prime Factorization of 208
2 | 208 |
2 | 104 |
2 | 52 |
2 | 26 |
13 | 13 |
1 |
Prime factors of 208 are 2,13. Prime factorization of 208 in exponential form is:
208 = 24×131
∴ So by taking common prime factors GCF of 206 and 208 is 2
Factors of 206
List of positive integer factors of 206 that divides 206 without a remainder.
1,2,103,206
Factors of 208
List of positive integer factors of 208 that divides 208 without a remainder.
1,2,4,8,13,16,26,52,104,208
Greatest Common Factor
We found the factors and prime factorization of 206 and 208. The biggest common factor number is the GCF number.
So the greatest common factor 206 and 208 is 2.
Also check out the Least Common Multiple of 206 and 208
(i) The GCF of 206 and 208 is associative
GCF of 206 and 208 = GCF of 208 and 206
1. What is the GCF of 206 and 208?
Answer: GCF of 206 and 208 is 2.
2. What are the Factors of 206?
Answer: Factors of 206 are 1, 2, 103, 206. There are 4 integers that are factors of 206. The greatest factor of 206 is 206.
3. What are the Factors of 208?
Answer: Factors of 208 are 1, 2, 4, 8, 13, 16, 26, 52, 104, 208. There are 10 integers that are factors of 208. The greatest factor of 208 is 208.
4. How to Find the GCF of 206 and 208?
Answer:
Greatest Common Factor of 206 and 208 = 2
Step 1: Find the prime factorization of 206
206 = 2 x 103
Step 2: Find the prime factorization of 208
208 = 2 x 2 x 2 x 2 x 13
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 206 and 208 is 2