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 2013, 2020 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2013 and 2020 is 1.
GCF(2013,2020) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2013
3 | 2013 |
11 | 671 |
61 | 61 |
1 |
Prime factors of 2013 are 3,11,61. Prime factorization of 2013 in exponential form is:
2013 = 31×111×611
Prime Factorization of 2020
2 | 2020 |
2 | 1010 |
5 | 505 |
101 | 101 |
1 |
Prime factors of 2020 are 2,5,101. Prime factorization of 2020 in exponential form is:
2020 = 22×51×1011
∴ So by taking common prime factors GCF of 2013 and 2020 is 1
Factors of 2013
List of positive integer factors of 2013 that divides 2013 without a remainder.
1,3,11,33,61,183,671,2013
Factors of 2020
List of positive integer factors of 2020 that divides 2020 without a remainder.
1,2,4,5,10,20,101,202,404,505,1010,2020
Greatest Common Factor
We found the factors and prime factorization of 2013 and 2020. The biggest common factor number is the GCF number.
So the greatest common factor 2013 and 2020 is 1.
Also check out the Least Common Multiple of 2013 and 2020
(i) The GCF of 2013 and 2020 is associative
GCF of 2013 and 2020 = GCF of 2020 and 2013
1. What is the GCF of 2013 and 2020?
Answer: GCF of 2013 and 2020 is 1.
2. What are the Factors of 2013?
Answer: Factors of 2013 are 1, 3, 11, 33, 61, 183, 671, 2013. There are 8 integers that are factors of 2013. The greatest factor of 2013 is 2013.
3. What are the Factors of 2020?
Answer: Factors of 2020 are 1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020. There are 12 integers that are factors of 2020. The greatest factor of 2020 is 2020.
4. How to Find the GCF of 2013 and 2020?
Answer:
Greatest Common Factor of 2013 and 2020 = 1
Step 1: Find the prime factorization of 2013
2013 = 3 x 11 x 61
Step 2: Find the prime factorization of 2020
2020 = 2 x 2 x 5 x 101
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 2013 and 2020 is 1