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 7724, 7728 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7724 and 7728 is 4.
GCF(7724,7728) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7724
2 | 7724 |
2 | 3862 |
1931 | 1931 |
1 |
Prime factors of 7724 are 2,1931. Prime factorization of 7724 in exponential form is:
7724 = 22×19311
Prime Factorization of 7728
2 | 7728 |
2 | 3864 |
2 | 1932 |
2 | 966 |
3 | 483 |
7 | 161 |
23 | 23 |
1 |
Prime factors of 7728 are 2,3,7,23. Prime factorization of 7728 in exponential form is:
7728 = 24×31×71×231
∴ So by taking common prime factors GCF of 7724 and 7728 is 4
Factors of 7724
List of positive integer factors of 7724 that divides 7724 without a remainder.
1,2,4,1931,3862,7724
Factors of 7728
List of positive integer factors of 7728 that divides 7728 without a remainder.
1,2,3,4,6,7,8,12,14,16,21,23,24,28,42,46,48,56,69,84,92,112,138,161,168,184,276,322,336,368,483,552,644,966,1104,1288,1932,2576,3864,7728
Greatest Common Factor
We found the factors and prime factorization of 7724 and 7728. The biggest common factor number is the GCF number.
So the greatest common factor 7724 and 7728 is 4.
Also check out the Least Common Multiple of 7724 and 7728
(i) The GCF of 7724 and 7728 is associative
GCF of 7724 and 7728 = GCF of 7728 and 7724
1. What is the GCF of 7724 and 7728?
Answer: GCF of 7724 and 7728 is 4.
2. What are the Factors of 7724?
Answer: Factors of 7724 are 1, 2, 4, 1931, 3862, 7724. There are 6 integers that are factors of 7724. The greatest factor of 7724 is 7724.
3. What are the Factors of 7728?
Answer: Factors of 7728 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 3864, 7728. There are 40 integers that are factors of 7728. The greatest factor of 7728 is 7728.
4. How to Find the GCF of 7724 and 7728?
Answer:
Greatest Common Factor of 7724 and 7728 = 4
Step 1: Find the prime factorization of 7724
7724 = 2 x 2 x 1931
Step 2: Find the prime factorization of 7728
7728 = 2 x 2 x 2 x 2 x 3 x 7 x 23
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 7724 and 7728 is 4