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 1920, 1924 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1920 and 1924 is 4.
GCF(1920,1924) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1920
2 | 1920 |
2 | 960 |
2 | 480 |
2 | 240 |
2 | 120 |
2 | 60 |
2 | 30 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 1920 are 2,3,5. Prime factorization of 1920 in exponential form is:
1920 = 27×31×51
Prime Factorization of 1924
2 | 1924 |
2 | 962 |
13 | 481 |
37 | 37 |
1 |
Prime factors of 1924 are 2,13,37. Prime factorization of 1924 in exponential form is:
1924 = 22×131×371
∴ So by taking common prime factors GCF of 1920 and 1924 is 4
Factors of 1920
List of positive integer factors of 1920 that divides 1920 without a remainder.
1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,64,80,96,120,128,160,192,240,320,384,480,640,960,1920
Factors of 1924
List of positive integer factors of 1924 that divides 1924 without a remainder.
1,2,4,13,26,37,52,74,148,481,962,1924
Greatest Common Factor
We found the factors and prime factorization of 1920 and 1924. The biggest common factor number is the GCF number.
So the greatest common factor 1920 and 1924 is 4.
Also check out the Least Common Multiple of 1920 and 1924
(i) The GCF of 1920 and 1924 is associative
GCF of 1920 and 1924 = GCF of 1924 and 1920
1. What is the GCF of 1920 and 1924?
Answer: GCF of 1920 and 1924 is 4.
2. What are the Factors of 1920?
Answer: Factors of 1920 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920. There are 32 integers that are factors of 1920. The greatest factor of 1920 is 1920.
3. What are the Factors of 1924?
Answer: Factors of 1924 are 1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924. There are 12 integers that are factors of 1924. The greatest factor of 1924 is 1924.
4. How to Find the GCF of 1920 and 1924?
Answer:
Greatest Common Factor of 1920 and 1924 = 4
Step 1: Find the prime factorization of 1920
1920 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5
Step 2: Find the prime factorization of 1924
1924 = 2 x 2 x 13 x 37
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 1920 and 1924 is 4