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 7683, 7686 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7683 and 7686 is 3.
GCF(7683,7686) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7683
3 | 7683 |
13 | 2561 |
197 | 197 |
1 |
Prime factors of 7683 are 3,13,197. Prime factorization of 7683 in exponential form is:
7683 = 31×131×1971
Prime Factorization of 7686
2 | 7686 |
3 | 3843 |
3 | 1281 |
7 | 427 |
61 | 61 |
1 |
Prime factors of 7686 are 2,3,7,61. Prime factorization of 7686 in exponential form is:
7686 = 21×32×71×611
∴ So by taking common prime factors GCF of 7683 and 7686 is 3
Factors of 7683
List of positive integer factors of 7683 that divides 7683 without a remainder.
1,3,13,39,197,591,2561,7683
Factors of 7686
List of positive integer factors of 7686 that divides 7686 without a remainder.
1,2,3,6,7,9,14,18,21,42,61,63,122,126,183,366,427,549,854,1098,1281,2562,3843,7686
Greatest Common Factor
We found the factors and prime factorization of 7683 and 7686. The biggest common factor number is the GCF number.
So the greatest common factor 7683 and 7686 is 3.
Also check out the Least Common Multiple of 7683 and 7686
(i) The GCF of 7683 and 7686 is associative
GCF of 7683 and 7686 = GCF of 7686 and 7683
1. What is the GCF of 7683 and 7686?
Answer: GCF of 7683 and 7686 is 3.
2. What are the Factors of 7683?
Answer: Factors of 7683 are 1, 3, 13, 39, 197, 591, 2561, 7683. There are 8 integers that are factors of 7683. The greatest factor of 7683 is 7683.
3. What are the Factors of 7686?
Answer: Factors of 7686 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 3843, 7686. There are 24 integers that are factors of 7686. The greatest factor of 7686 is 7686.
4. How to Find the GCF of 7683 and 7686?
Answer:
Greatest Common Factor of 7683 and 7686 = 3
Step 1: Find the prime factorization of 7683
7683 = 3 x 13 x 197
Step 2: Find the prime factorization of 7686
7686 = 2 x 3 x 3 x 7 x 61
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 7683 and 7686 is 3