Greatest Common Factor of 9975 and 9981

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 9975, 9981 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 9975 and 9981 is 3.

GCF(9975,9981) = 3

GCF of 9975 and 9981

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

GCF of:
and

Greatest Common Factor of 9975 and 9981

GCF of 9975 and 9981 is 3

Prime Factorization of 9975


3 9975
5 3325
5 665
7 133
19 19
1

Prime factors of 9975 are 3,5,7,19. Prime factorization of 9975 in exponential form is:

9975 = 31×52×71×191

Prime Factorization of 9981


3 9981
3 3327
1109 1109
1

Prime factors of 9981 are 3,1109. Prime factorization of 9981 in exponential form is:

9981 = 32×11091

∴ So by taking common prime factors GCF of 9975 and 9981 is 3

Greatest Common Factor of 9975 and 9981 by matching factors method

Factors of 9975

List of positive integer factors of 9975 that divides 9975 without a remainder.

1,3,5,7,15,19,21,25,35,57,75,95,105,133,175,285,399,475,525,665,1425,1995,3325,9975

Factors of 9981

List of positive integer factors of 9981 that divides 9981 without a remainder.

1,3,9,1109,3327,9981

Greatest Common Factor

We found the factors and prime factorization of 9975 and 9981. The biggest common factor number is the GCF number.
So the greatest common factor 9975 and 9981 is 3.

Also check out the Least Common Multiple of 9975 and 9981

Properties of GCF 9975 and 9981

(i) The GCF of 9975 and 9981 is associative

GCF of 9975 and 9981 = GCF of 9981 and 9975

Frequently Asked Questions on GCF of 9975 and 9981

1. What is the GCF of 9975 and 9981?

Answer: GCF of 9975 and 9981 is 3.

2. What are the Factors of 9975?

Answer: Factors of 9975 are 1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975. There are 24 integers that are factors of 9975. The greatest factor of 9975 is 9975.

3. What are the Factors of 9981?

Answer: Factors of 9981 are 1, 3, 9, 1109, 3327, 9981. There are 6 integers that are factors of 9981. The greatest factor of 9981 is 9981.

4. How to Find the GCF of 9975 and 9981?

Answer:

Greatest Common Factor of 9975 and 9981 = 3

Step 1: Find the prime factorization of 9975

9975 = 3 x 5 x 5 x 7 x 19

Step 2: Find the prime factorization of 9981

9981 = 3 x 3 x 1109

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 9975 and 9981 is 3