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 1205, 1208 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1205 and 1208 is 1.
GCF(1205,1208) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1205
5 | 1205 |
241 | 241 |
1 |
Prime factors of 1205 are 5,241. Prime factorization of 1205 in exponential form is:
1205 = 51×2411
Prime Factorization of 1208
2 | 1208 |
2 | 604 |
2 | 302 |
151 | 151 |
1 |
Prime factors of 1208 are 2,151. Prime factorization of 1208 in exponential form is:
1208 = 23×1511
∴ So by taking common prime factors GCF of 1205 and 1208 is 1
Factors of 1205
List of positive integer factors of 1205 that divides 1205 without a remainder.
1,5,241,1205
Factors of 1208
List of positive integer factors of 1208 that divides 1208 without a remainder.
1,2,4,8,151,302,604,1208
Greatest Common Factor
We found the factors and prime factorization of 1205 and 1208. The biggest common factor number is the GCF number.
So the greatest common factor 1205 and 1208 is 1.
Also check out the Least Common Multiple of 1205 and 1208
(i) The GCF of 1205 and 1208 is associative
GCF of 1205 and 1208 = GCF of 1208 and 1205
1. What is the GCF of 1205 and 1208?
Answer: GCF of 1205 and 1208 is 1.
2. What are the Factors of 1205?
Answer: Factors of 1205 are 1, 5, 241, 1205. There are 4 integers that are factors of 1205. The greatest factor of 1205 is 1205.
3. What are the Factors of 1208?
Answer: Factors of 1208 are 1, 2, 4, 8, 151, 302, 604, 1208. There are 8 integers that are factors of 1208. The greatest factor of 1208 is 1208.
4. How to Find the GCF of 1205 and 1208?
Answer:
Greatest Common Factor of 1205 and 1208 = 1
Step 1: Find the prime factorization of 1205
1205 = 5 x 241
Step 2: Find the prime factorization of 1208
1208 = 2 x 2 x 2 x 151
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 1205 and 1208 is 1