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 2005, 2006 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2005 and 2006 is 1.
GCF(2005,2006) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2005
5 | 2005 |
401 | 401 |
1 |
Prime factors of 2005 are 5,401. Prime factorization of 2005 in exponential form is:
2005 = 51×4011
Prime Factorization of 2006
2 | 2006 |
17 | 1003 |
59 | 59 |
1 |
Prime factors of 2006 are 2,17,59. Prime factorization of 2006 in exponential form is:
2006 = 21×171×591
∴ So by taking common prime factors GCF of 2005 and 2006 is 1
Factors of 2005
List of positive integer factors of 2005 that divides 2005 without a remainder.
1,5,401,2005
Factors of 2006
List of positive integer factors of 2006 that divides 2006 without a remainder.
1,2,17,34,59,118,1003,2006
Greatest Common Factor
We found the factors and prime factorization of 2005 and 2006. The biggest common factor number is the GCF number.
So the greatest common factor 2005 and 2006 is 1.
Also check out the Least Common Multiple of 2005 and 2006
(i) The GCF of 2005 and 2006 is associative
GCF of 2005 and 2006 = GCF of 2006 and 2005
1. What is the GCF of 2005 and 2006?
Answer: GCF of 2005 and 2006 is 1.
2. What are the Factors of 2005?
Answer: Factors of 2005 are 1, 5, 401, 2005. There are 4 integers that are factors of 2005. The greatest factor of 2005 is 2005.
3. What are the Factors of 2006?
Answer: Factors of 2006 are 1, 2, 17, 34, 59, 118, 1003, 2006. There are 8 integers that are factors of 2006. The greatest factor of 2006 is 2006.
4. How to Find the GCF of 2005 and 2006?
Answer:
Greatest Common Factor of 2005 and 2006 = 1
Step 1: Find the prime factorization of 2005
2005 = 5 x 401
Step 2: Find the prime factorization of 2006
2006 = 2 x 17 x 59
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 2005 and 2006 is 1