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 7808, 7812 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7808 and 7812 is 4.
GCF(7808,7812) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7808
2 | 7808 |
2 | 3904 |
2 | 1952 |
2 | 976 |
2 | 488 |
2 | 244 |
2 | 122 |
61 | 61 |
1 |
Prime factors of 7808 are 2,61. Prime factorization of 7808 in exponential form is:
7808 = 27×611
Prime Factorization of 7812
2 | 7812 |
2 | 3906 |
3 | 1953 |
3 | 651 |
7 | 217 |
31 | 31 |
1 |
Prime factors of 7812 are 2,3,7,31. Prime factorization of 7812 in exponential form is:
7812 = 22×32×71×311
∴ So by taking common prime factors GCF of 7808 and 7812 is 4
Factors of 7808
List of positive integer factors of 7808 that divides 7808 without a remainder.
1,2,4,8,16,32,61,64,122,128,244,488,976,1952,3904,7808
Factors of 7812
List of positive integer factors of 7812 that divides 7812 without a remainder.
1,2,3,4,6,7,9,12,14,18,21,28,31,36,42,62,63,84,93,124,126,186,217,252,279,372,434,558,651,868,1116,1302,1953,2604,3906,7812
Greatest Common Factor
We found the factors and prime factorization of 7808 and 7812. The biggest common factor number is the GCF number.
So the greatest common factor 7808 and 7812 is 4.
Also check out the Least Common Multiple of 7808 and 7812
(i) The GCF of 7808 and 7812 is associative
GCF of 7808 and 7812 = GCF of 7812 and 7808
1. What is the GCF of 7808 and 7812?
Answer: GCF of 7808 and 7812 is 4.
2. What are the Factors of 7808?
Answer: Factors of 7808 are 1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808. There are 16 integers that are factors of 7808. The greatest factor of 7808 is 7808.
3. What are the Factors of 7812?
Answer: Factors of 7812 are 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812. There are 36 integers that are factors of 7812. The greatest factor of 7812 is 7812.
4. How to Find the GCF of 7808 and 7812?
Answer:
Greatest Common Factor of 7808 and 7812 = 4
Step 1: Find the prime factorization of 7808
7808 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 61
Step 2: Find the prime factorization of 7812
7812 = 2 x 2 x 3 x 3 x 7 x 31
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 7808 and 7812 is 4