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 199, 207 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 199 and 207 is 1.
GCF(199,207) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 199
199 | 199 |
1 |
Prime factors of 199 are 199. Prime factorization of 199 in exponential form is:
199 = 1991
Prime Factorization of 207
3 | 207 |
3 | 69 |
23 | 23 |
1 |
Prime factors of 207 are 3.Prime factorization of 207 in exponential form is:
207 = 32×231
∴ So by taking common prime factors GCF of 199 and 207 is 1
Factors of 199
List of positive integer factors of 199 that divides 199 without a remainder.
1,199
Factors of 207
List of positive integer factors of 207 that divides 207 without a remainder.
1,3,9,23,69,207
Greatest Common Factor
We found the factors and prime factorization of 199 and 207. The biggest common factor number is the GCF number.
So the greatest common factor 199 and 207 is 1.
Also check out the Least Common Multiple of 199 and 207
(i) The GCF of 199 and 207 is associative
GCF of 199 and 207 = GCF of 207 and 199
1. What is the GCF of 199 and 207?
Answer: GCF of 199 and 207 is 1.
2. What are the Factors of 199?
Answer: Factors of 199 are 1, 199. There are 2 integers that are factors of 199. The greatest factor of 199 is 199.
3. 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.
4. How to Find the GCF of 199 and 207?
Answer:
Greatest Common Factor of 199 and 207 = 1
Step 1: Find the prime factorization of 199
199 = 199
Step 2: Find the prime factorization of 207
207 = 3 x 3 x 23
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 199 and 207 is 1