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 205, 213 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 205 and 213 is 1.
GCF(205,213) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 205
5 | 205 |
41 | 41 |
1 |
Prime factors of 205 are 5,41. Prime factorization of 205 in exponential form is:
205 = 51×411
Prime Factorization of 213
3 | 213 |
71 | 71 |
1 |
Prime factors of 213 are 3,71. Prime factorization of 213 in exponential form is:
213 = 31×711
∴ So by taking common prime factors GCF of 205 and 213 is 1
Factors of 205
List of positive integer factors of 205 that divides 205 without a remainder.
1,5,41,205
Factors of 213
List of positive integer factors of 213 that divides 213 without a remainder.
1,3,71,213
Greatest Common Factor
We found the factors and prime factorization of 205 and 213. The biggest common factor number is the GCF number.
So the greatest common factor 205 and 213 is 1.
Also check out the Least Common Multiple of 205 and 213
(i) The GCF of 205 and 213 is associative
GCF of 205 and 213 = GCF of 213 and 205
1. What is the GCF of 205 and 213?
Answer: GCF of 205 and 213 is 1.
2. What are the Factors of 205?
Answer: Factors of 205 are 1, 5, 41, 205. There are 4 integers that are factors of 205. The greatest factor of 205 is 205.
3. What are the Factors of 213?
Answer: Factors of 213 are 1, 3, 71, 213. There are 4 integers that are factors of 213. The greatest factor of 213 is 213.
4. How to Find the GCF of 205 and 213?
Answer:
Greatest Common Factor of 205 and 213 = 1
Step 1: Find the prime factorization of 205
205 = 5 x 41
Step 2: Find the prime factorization of 213
213 = 3 x 71
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 205 and 213 is 1