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 1020, 1024 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1020 and 1024 is 4.
GCF(1020,1024) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1020
2 | 1020 |
2 | 510 |
3 | 255 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 1020 are 2,3,5,17. Prime factorization of 1020 in exponential form is:
1020 = 22×31×51×171
Prime Factorization of 1024
2 | 1024 |
2 | 512 |
2 | 256 |
2 | 128 |
2 | 64 |
2 | 32 |
2 | 16 |
2 | 8 |
2 | 4 |
2 | 2 |
1 |
Prime factors of 1024 are 2. Prime factorization of 1024 in exponential form is:
1024 = 210
∴ So by taking common prime factors GCF of 1020 and 1024 is 4
Factors of 1020
List of positive integer factors of 1020 that divides 1020 without a remainder.
1,2,3,4,5,6,10,12,15,17,20,30,34,51,60,68,85,102,170,204,255,340,510,1020
Factors of 1024
List of positive integer factors of 1024 that divides 1024 without a remainder.
1,2,4,8,16,32,64,128,256,512,1024
Greatest Common Factor
We found the factors and prime factorization of 1020 and 1024. The biggest common factor number is the GCF number.
So the greatest common factor 1020 and 1024 is 4.
Also check out the Least Common Multiple of 1020 and 1024
(i) The GCF of 1020 and 1024 is associative
GCF of 1020 and 1024 = GCF of 1024 and 1020
1. What is the GCF of 1020 and 1024?
Answer: GCF of 1020 and 1024 is 4.
2. What are the Factors of 1020?
Answer: Factors of 1020 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020. There are 24 integers that are factors of 1020. The greatest factor of 1020 is 1020.
3. What are the Factors of 1024?
Answer: Factors of 1024 are 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024. There are 11 integers that are factors of 1024. The greatest factor of 1024 is 1024.
4. How to Find the GCF of 1020 and 1024?
Answer:
Greatest Common Factor of 1020 and 1024 = 4
Step 1: Find the prime factorization of 1020
1020 = 2 x 2 x 3 x 5 x 17
Step 2: Find the prime factorization of 1024
1024 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 = 4
Step 4: Therefore, the greatest common factor of 1020 and 1024 is 4