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 207, 213 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 207 and 213 is 3.
GCF(207,213) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 207
3 | 207 |
3 | 69 |
23 | 23 |
1 |
Prime factors of 207 are 3,23. Prime factorization of 207 in exponential form is:
207 = 32×231
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 207 and 213 is 3
Factors of 207
List of positive integer factors of 207 that divides 207 without a remainder.
1,3,9,23,69,207
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 207 and 213. The biggest common factor number is the GCF number.
So the greatest common factor 207 and 213 is 3.
Also check out the Least Common Multiple of 207 and 213
(i) The GCF of 207 and 213 is associative
GCF of 207 and 213 = GCF of 213 and 207
1. What is the GCF of 207 and 213?
Answer: GCF of 207 and 213 is 3.
2. What are the Factors of 207?
Answer: Factors of 207 are 1, 3, 9, 23, 69, 207. There are 6 integers that are factors of 207. The greatest factor of 207 is 207.
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 207 and 213?
Answer:
Greatest Common Factor of 207 and 213 = 3
Step 1: Find the prime factorization of 207
207 = 3 x 3 x 23
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 = 3
Step 4: Therefore, the greatest common factor of 207 and 213 is 3