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 6816, 6821 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 6816 and 6821 is 1.
GCF(6816,6821) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 6816
2 | 6816 |
2 | 3408 |
2 | 1704 |
2 | 852 |
2 | 426 |
3 | 213 |
71 | 71 |
1 |
Prime factors of 6816 are 2,3,71. Prime factorization of 6816 in exponential form is:
6816 = 25×31×711
Prime Factorization of 6821
19 | 6821 |
359 | 359 |
1 |
Prime factors of 6821 are 19,359. Prime factorization of 6821 in exponential form is:
6821 = 191×3591
∴ So by taking common prime factors GCF of 6816 and 6821 is 1
Factors of 6816
List of positive integer factors of 6816 that divides 6816 without a remainder.
1,2,3,4,6,8,12,16,24,32,48,71,96,142,213,284,426,568,852,1136,1704,2272,3408,6816
Factors of 6821
List of positive integer factors of 6821 that divides 6821 without a remainder.
1,19,359,6821
Greatest Common Factor
We found the factors and prime factorization of 6816 and 6821. The biggest common factor number is the GCF number.
So the greatest common factor 6816 and 6821 is 1.
Also check out the Least Common Multiple of 6816 and 6821
(i) The GCF of 6816 and 6821 is associative
GCF of 6816 and 6821 = GCF of 6821 and 6816
1. What is the GCF of 6816 and 6821?
Answer: GCF of 6816 and 6821 is 1.
2. What are the Factors of 6816?
Answer: Factors of 6816 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 71, 96, 142, 213, 284, 426, 568, 852, 1136, 1704, 2272, 3408, 6816. There are 24 integers that are factors of 6816. The greatest factor of 6816 is 6816.
3. What are the Factors of 6821?
Answer: Factors of 6821 are 1, 19, 359, 6821. There are 4 integers that are factors of 6821. The greatest factor of 6821 is 6821.
4. How to Find the GCF of 6816 and 6821?
Answer:
Greatest Common Factor of 6816 and 6821 = 1
Step 1: Find the prime factorization of 6816
6816 = 2 x 2 x 2 x 2 x 2 x 3 x 71
Step 2: Find the prime factorization of 6821
6821 = 19 x 359
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 6816 and 6821 is 1