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 7821, 7823 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7821 and 7823 is 1.
GCF(7821,7823) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7821
3 | 7821 |
3 | 2607 |
11 | 869 |
79 | 79 |
1 |
Prime factors of 7821 are 3,11,79. Prime factorization of 7821 in exponential form is:
7821 = 32×111×791
Prime Factorization of 7823
7823 | 7823 |
1 |
Prime factors of 7823 are 7823. Prime factorization of 7823 in exponential form is:
7823 = 78231
∴ So by taking common prime factors GCF of 7821 and 7823 is 1
Factors of 7821
List of positive integer factors of 7821 that divides 7821 without a remainder.
1,3,9,11,33,79,99,237,711,869,2607,7821
Factors of 7823
List of positive integer factors of 7823 that divides 7823 without a remainder.
1,7823
Greatest Common Factor
We found the factors and prime factorization of 7821 and 7823. The biggest common factor number is the GCF number.
So the greatest common factor 7821 and 7823 is 1.
Also check out the Least Common Multiple of 7821 and 7823
(i) The GCF of 7821 and 7823 is associative
GCF of 7821 and 7823 = GCF of 7823 and 7821
1. What is the GCF of 7821 and 7823?
Answer: GCF of 7821 and 7823 is 1.
2. What are the Factors of 7821?
Answer: Factors of 7821 are 1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2607, 7821. There are 12 integers that are factors of 7821. The greatest factor of 7821 is 7821.
3. What are the Factors of 7823?
Answer: Factors of 7823 are 1, 7823. There are 2 integers that are factors of 7823. The greatest factor of 7823 is 7823.
4. How to Find the GCF of 7821 and 7823?
Answer:
Greatest Common Factor of 7821 and 7823 = 1
Step 1: Find the prime factorization of 7821
7821 = 3 x 3 x 11 x 79
Step 2: Find the prime factorization of 7823
7823 = 7823
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 7821 and 7823 is 1