Greatest Common Factor of 982 and 990

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 982, 990 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 982 and 990 is 2.

GCF(982,990) = 2

GCF of 982 and 990

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

GCF of:
and

Greatest Common Factor of 982 and 990

GCF of 982 and 990 is 2

Prime Factorization of 982


2 982
491 491
1

Prime factors of 982 are 2,491. Prime factorization of 982 in exponential form is:

982 = 21×4911

Prime Factorization of 990


2 990
3 495
3 165
5 55
11 11
1

Prime factors of 990 are 2,3,5,11. Prime factorization of 990 in exponential form is:

990 = 21×32×51×111

∴ So by taking common prime factors GCF of 982 and 990 is 2

Greatest Common Factor of 982 and 990 by matching factors method

Factors of 982

List of positive integer factors of 982 that divides 982 without a remainder.

1,2,491,982

Factors of 990

List of positive integer factors of 990 that divides 990 without a remainder.

1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990

Greatest Common Factor

We found the factors and prime factorization of 982 and 990. The biggest common factor number is the GCF number.
So the greatest common factor 982 and 990 is 2.

Also check out the Least Common Multiple of 982 and 990

Properties of GCF 982 and 990

(i) The GCF of 982 and 990 is associative

GCF of 982 and 990 = GCF of 990 and 982

Related Greatest Common Factor of 982

Related Greatest Common Factor of 990

Frequently Asked Questions on GCF of 982 and 990

1. What is the GCF of 982 and 990?

Answer: GCF of 982 and 990 is 2.

2. What are the Factors of 982?

Answer: Factors of 982 are 1, 2, 491, 982. There are 4 integers that are factors of 982. The greatest factor of 982 is 982.

3. What are the Factors of 990?

Answer: Factors of 990 are 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990. There are 24 integers that are factors of 990. The greatest factor of 990 is 990.

4. How to Find the GCF of 982 and 990?

Answer:

Greatest Common Factor of 982 and 990 = 2

Step 1: Find the prime factorization of 982

982 = 2 x 491

Step 2: Find the prime factorization of 990

990 = 2 x 3 x 3 x 5 x 11

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 2

Step 4: Therefore, the greatest common factor of 982 and 990 is 2