Greatest Common Factor of 981 and 988

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 981, 988 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 981 and 988 is 1.

GCF(981,988) = 1

GCF of 981 and 988

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

GCF of:
and

Greatest Common Factor of 981 and 988

GCF of 981 and 988 is 1

Prime Factorization of 981


3 981
3 327
109 109
1

Prime factors of 981 are 3,109. Prime factorization of 981 in exponential form is:

981 = 32×1091

Prime Factorization of 988


2 988
2 494
13 247
19 19
1

Prime factors of 988 are 2,13,19. Prime factorization of 988 in exponential form is:

988 = 22×131×191

∴ So by taking common prime factors GCF of 981 and 988 is 1

Greatest Common Factor of 981 and 988 by matching factors method

Factors of 981

List of positive integer factors of 981 that divides 981 without a remainder.

1,3,9,109,327,981

Factors of 988

List of positive integer factors of 988 that divides 988 without a remainder.

1,2,4,13,19,26,38,52,76,247,494,988

Greatest Common Factor

We found the factors and prime factorization of 981 and 988. The biggest common factor number is the GCF number.
So the greatest common factor 981 and 988 is 1.

Also check out the Least Common Multiple of 981 and 988

Properties of GCF 981 and 988

(i) The GCF of 981 and 988 is associative

GCF of 981 and 988 = GCF of 988 and 981

Related Greatest Common Factor of 981

Related Greatest Common Factor of 988

Frequently Asked Questions on GCF of 981 and 988

1. What is the GCF of 981 and 988?

Answer: GCF of 981 and 988 is 1.

2. What are the Factors of 981?

Answer: Factors of 981 are 1, 3, 9, 109, 327, 981. There are 6 integers that are factors of 981. The greatest factor of 981 is 981.

3. What are the Factors of 988?

Answer: Factors of 988 are 1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988. There are 12 integers that are factors of 988. The greatest factor of 988 is 988.

4. How to Find the GCF of 981 and 988?

Answer:

Greatest Common Factor of 981 and 988 = 1

Step 1: Find the prime factorization of 981

981 = 3 x 3 x 109

Step 2: Find the prime factorization of 988

988 = 2 x 2 x 13 x 19

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 981 and 988 is 1