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 1207, 1211 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1207 and 1211 is 1.
GCF(1207,1211) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1207
17 | 1207 |
71 | 71 |
1 |
Prime factors of 1207 are 17,71. Prime factorization of 1207 in exponential form is:
1207 = 171×711
Prime Factorization of 1211
7 | 1211 |
173 | 173 |
1 |
Prime factors of 1211 are 7,173. Prime factorization of 1211 in exponential form is:
1211 = 71×1731
∴ So by taking common prime factors GCF of 1207 and 1211 is 1
Factors of 1207
List of positive integer factors of 1207 that divides 1207 without a remainder.
1,17,71,1207
Factors of 1211
List of positive integer factors of 1211 that divides 1211 without a remainder.
1,7,173,1211
Greatest Common Factor
We found the factors and prime factorization of 1207 and 1211. The biggest common factor number is the GCF number.
So the greatest common factor 1207 and 1211 is 1.
Also check out the Least Common Multiple of 1207 and 1211
(i) The GCF of 1207 and 1211 is associative
GCF of 1207 and 1211 = GCF of 1211 and 1207
1. What is the GCF of 1207 and 1211?
Answer: GCF of 1207 and 1211 is 1.
2. What are the Factors of 1207?
Answer: Factors of 1207 are 1, 17, 71, 1207. There are 4 integers that are factors of 1207. The greatest factor of 1207 is 1207.
3. What are the Factors of 1211?
Answer: Factors of 1211 are 1, 7, 173, 1211. There are 4 integers that are factors of 1211. The greatest factor of 1211 is 1211.
4. How to Find the GCF of 1207 and 1211?
Answer:
Greatest Common Factor of 1207 and 1211 = 1
Step 1: Find the prime factorization of 1207
1207 = 17 x 71
Step 2: Find the prime factorization of 1211
1211 = 7 x 173
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 1207 and 1211 is 1