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 9816, 9821 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 9816 and 9821 is 1.
GCF(9816,9821) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 9816
2 | 9816 |
2 | 4908 |
2 | 2454 |
3 | 1227 |
409 | 409 |
1 |
Prime factors of 9816 are 2,3,409. Prime factorization of 9816 in exponential form is:
9816 = 23×31×4091
Prime Factorization of 9821
7 | 9821 |
23 | 1403 |
61 | 61 |
1 |
Prime factors of 9821 are 7,23,61. Prime factorization of 9821 in exponential form is:
9821 = 71×231×611
∴ So by taking common prime factors GCF of 9816 and 9821 is 1
Factors of 9816
List of positive integer factors of 9816 that divides 9816 without a remainder.
1,2,3,4,6,8,12,24,409,818,1227,1636,2454,3272,4908,9816
Factors of 9821
List of positive integer factors of 9821 that divides 9821 without a remainder.
1,7,23,61,161,427,1403,9821
Greatest Common Factor
We found the factors and prime factorization of 9816 and 9821. The biggest common factor number is the GCF number.
So the greatest common factor 9816 and 9821 is 1.
Also check out the Least Common Multiple of 9816 and 9821
(i) The GCF of 9816 and 9821 is associative
GCF of 9816 and 9821 = GCF of 9821 and 9816
1. What is the GCF of 9816 and 9821?
Answer: GCF of 9816 and 9821 is 1.
2. What are the Factors of 9816?
Answer: Factors of 9816 are 1, 2, 3, 4, 6, 8, 12, 24, 409, 818, 1227, 1636, 2454, 3272, 4908, 9816. There are 16 integers that are factors of 9816. The greatest factor of 9816 is 9816.
3. What are the Factors of 9821?
Answer: Factors of 9821 are 1, 7, 23, 61, 161, 427, 1403, 9821. There are 8 integers that are factors of 9821. The greatest factor of 9821 is 9821.
4. How to Find the GCF of 9816 and 9821?
Answer:
Greatest Common Factor of 9816 and 9821 = 1
Step 1: Find the prime factorization of 9816
9816 = 2 x 2 x 2 x 3 x 409
Step 2: Find the prime factorization of 9821
9821 = 7 x 23 x 61
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 9816 and 9821 is 1