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 203, 206 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 203 and 206 is 1.
GCF(203,206) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 203
7 | 203 |
29 | 29 |
1 |
Prime factors of 203 are 7,29. Prime factorization of 203 in exponential form is:
203 = 71×291
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
∴ So by taking common prime factors GCF of 203 and 206 is 1
Factors of 203
List of positive integer factors of 203 that divides 203 without a remainder.
1,7,29,203
Factors of 206
List of positive integer factors of 206 that divides 206 without a remainder.
1,2,103,206
Greatest Common Factor
We found the factors and prime factorization of 203 and 206. The biggest common factor number is the GCF number.
So the greatest common factor 203 and 206 is 1.
Also check out the Least Common Multiple of 203 and 206
(i) The GCF of 203 and 206 is associative
GCF of 203 and 206 = GCF of 206 and 203
1. What is the GCF of 203 and 206?
Answer: GCF of 203 and 206 is 1.
2. What are the Factors of 203?
Answer: Factors of 203 are 1, 7, 29, 203. There are 4 integers that are factors of 203. The greatest factor of 203 is 203.
3. 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.
4. How to Find the GCF of 203 and 206?
Answer:
Greatest Common Factor of 203 and 206 = 1
Step 1: Find the prime factorization of 203
203 = 7 x 29
Step 2: Find the prime factorization of 206
206 = 2 x 103
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 203 and 206 is 1