Greatest Common Factor of 9978 and 9985

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 9978, 9985 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 9978 and 9985 is 1.

GCF(9978,9985) = 1

GCF of 9978 and 9985

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

GCF of:
and

Greatest Common Factor of 9978 and 9985

GCF of 9978 and 9985 is 1

Prime Factorization of 9978


2 9978
3 4989
1663 1663
1

Prime factors of 9978 are 2,3,1663. Prime factorization of 9978 in exponential form is:

9978 = 21×31×16631

Prime Factorization of 9985


5 9985
1997 1997
1

Prime factors of 9985 are 5,1997. Prime factorization of 9985 in exponential form is:

9985 = 51×19971

∴ So by taking common prime factors GCF of 9978 and 9985 is 1

Greatest Common Factor of 9978 and 9985 by matching factors method

Factors of 9978

List of positive integer factors of 9978 that divides 9978 without a remainder.

1,2,3,6,1663,3326,4989,9978

Factors of 9985

List of positive integer factors of 9985 that divides 9985 without a remainder.

1,5,1997,9985

Greatest Common Factor

We found the factors and prime factorization of 9978 and 9985. The biggest common factor number is the GCF number.
So the greatest common factor 9978 and 9985 is 1.

Also check out the Least Common Multiple of 9978 and 9985

Properties of GCF 9978 and 9985

(i) The GCF of 9978 and 9985 is associative

GCF of 9978 and 9985 = GCF of 9985 and 9978

Frequently Asked Questions on GCF of 9978 and 9985

1. What is the GCF of 9978 and 9985?

Answer: GCF of 9978 and 9985 is 1.

2. What are the Factors of 9978?

Answer: Factors of 9978 are 1, 2, 3, 6, 1663, 3326, 4989, 9978. There are 8 integers that are factors of 9978. The greatest factor of 9978 is 9978.

3. What are the Factors of 9985?

Answer: Factors of 9985 are 1, 5, 1997, 9985. There are 4 integers that are factors of 9985. The greatest factor of 9985 is 9985.

4. How to Find the GCF of 9978 and 9985?

Answer:

Greatest Common Factor of 9978 and 9985 = 1

Step 1: Find the prime factorization of 9978

9978 = 2 x 3 x 1663

Step 2: Find the prime factorization of 9985

9985 = 5 x 1997

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 9978 and 9985 is 1