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 7920, 7924 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7920 and 7924 is 4.
GCF(7920,7924) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7920
2 | 7920 |
2 | 3960 |
2 | 1980 |
2 | 990 |
3 | 495 |
3 | 165 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 7920 are 2,3,5,11. Prime factorization of 7920 in exponential form is:
7920 = 24×32×51×111
Prime Factorization of 7924
2 | 7924 |
2 | 3962 |
7 | 1981 |
283 | 283 |
1 |
Prime factors of 7924 are 2,7,283. Prime factorization of 7924 in exponential form is:
7924 = 22×71×2831
∴ So by taking common prime factors GCF of 7920 and 7924 is 4
Factors of 7920
List of positive integer factors of 7920 that divides 7920 without a remainder.
1,2,3,4,5,6,8,9,10,11,12,15,16,18,20,22,24,30,33,36,40,44,45,48,55,60,66,72,80,88,90,99,110,120,132,144,165,176,180,198,220,240,264,330,360,396,440,495,528,660,720,792,880,990,1320,1584,1980,2640,3960,7920
Factors of 7924
List of positive integer factors of 7924 that divides 7924 without a remainder.
1,2,4,7,14,28,283,566,1132,1981,3962,7924
Greatest Common Factor
We found the factors and prime factorization of 7920 and 7924. The biggest common factor number is the GCF number.
So the greatest common factor 7920 and 7924 is 4.
Also check out the Least Common Multiple of 7920 and 7924
(i) The GCF of 7920 and 7924 is associative
GCF of 7920 and 7924 = GCF of 7924 and 7920
1. What is the GCF of 7920 and 7924?
Answer: GCF of 7920 and 7924 is 4.
2. What are the Factors of 7920?
Answer: Factors of 7920 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920. There are 60 integers that are factors of 7920. The greatest factor of 7920 is 7920.
3. What are the Factors of 7924?
Answer: Factors of 7924 are 1, 2, 4, 7, 14, 28, 283, 566, 1132, 1981, 3962, 7924. There are 12 integers that are factors of 7924. The greatest factor of 7924 is 7924.
4. How to Find the GCF of 7920 and 7924?
Answer:
Greatest Common Factor of 7920 and 7924 = 4
Step 1: Find the prime factorization of 7920
7920 = 2 x 2 x 2 x 2 x 3 x 3 x 5 x 11
Step 2: Find the prime factorization of 7924
7924 = 2 x 2 x 7 x 283
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 7920 and 7924 is 4