Greatest Common Factor of 9815 and 9821

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 9815, 9821 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 9815 and 9821 is 1.

GCF(9815,9821) = 1

GCF of 9815 and 9821

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 9815 and 9821

GCF of 9815 and 9821 is 1

Prime Factorization of 9815


5 9815
13 1963
151 151
1

Prime factors of 9815 are 5,13,151. Prime factorization of 9815 in exponential form is:

9815 = 51×131×1511

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 9815 and 9821 is 1

Greatest Common Factor of 9815 and 9821 by matching factors method

Factors of 9815

List of positive integer factors of 9815 that divides 9815 without a remainder.

1,5,13,65,151,755,1963,9815

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 9815 and 9821. The biggest common factor number is the GCF number.
So the greatest common factor 9815 and 9821 is 1.

Also check out the Least Common Multiple of 9815 and 9821

Properties of GCF 9815 and 9821

(i) The GCF of 9815 and 9821 is associative

GCF of 9815 and 9821 = GCF of 9821 and 9815

Frequently Asked Questions on GCF of 9815 and 9821

1. What is the GCF of 9815 and 9821?

Answer: GCF of 9815 and 9821 is 1.

2. What are the Factors of 9815?

Answer: Factors of 9815 are 1, 5, 13, 65, 151, 755, 1963, 9815. There are 8 integers that are factors of 9815. The greatest factor of 9815 is 9815.

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 9815 and 9821?

Answer:

Greatest Common Factor of 9815 and 9821 = 1

Step 1: Find the prime factorization of 9815

9815 = 5 x 13 x 151

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 9815 and 9821 is 1