Greatest Common Factor of 7980 and 7982

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 7980, 7982 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 7980 and 7982 is 2.

GCF(7980,7982) = 2

GCF of 7980 and 7982

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

GCF of:
and

Greatest Common Factor of 7980 and 7982

GCF of 7980 and 7982 is 2

Prime Factorization of 7980


2 7980
2 3990
3 1995
5 665
7 133
19 19
1

Prime factors of 7980 are 2,3,5,7,19. Prime factorization of 7980 in exponential form is:

7980 = 22×31×51×71×191

Prime Factorization of 7982


2 7982
13 3991
307 307
1

Prime factors of 7982 are 2,13,307. Prime factorization of 7982 in exponential form is:

7982 = 21×131×3071

∴ So by taking common prime factors GCF of 7980 and 7982 is 2

Greatest Common Factor of 7980 and 7982 by matching factors method

Factors of 7980

List of positive integer factors of 7980 that divides 7980 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,19,20,21,28,30,35,38,42,57,60,70,76,84,95,105,114,133,140,190,210,228,266,285,380,399,420,532,570,665,798,1140,1330,1596,1995,2660,3990,7980

Factors of 7982

List of positive integer factors of 7982 that divides 7982 without a remainder.

1,2,13,26,307,614,3991,7982

Greatest Common Factor

We found the factors and prime factorization of 7980 and 7982. The biggest common factor number is the GCF number.
So the greatest common factor 7980 and 7982 is 2.

Also check out the Least Common Multiple of 7980 and 7982

Properties of GCF 7980 and 7982

(i) The GCF of 7980 and 7982 is associative

GCF of 7980 and 7982 = GCF of 7982 and 7980

Frequently Asked Questions on GCF of 7980 and 7982

1. What is the GCF of 7980 and 7982?

Answer: GCF of 7980 and 7982 is 2.

2. What are the Factors of 7980?

Answer: Factors of 7980 are 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980. There are 48 integers that are factors of 7980. The greatest factor of 7980 is 7980.

3. What are the Factors of 7982?

Answer: Factors of 7982 are 1, 2, 13, 26, 307, 614, 3991, 7982. There are 8 integers that are factors of 7982. The greatest factor of 7982 is 7982.

4. How to Find the GCF of 7980 and 7982?

Answer:

Greatest Common Factor of 7980 and 7982 = 2

Step 1: Find the prime factorization of 7980

7980 = 2 x 2 x 3 x 5 x 7 x 19

Step 2: Find the prime factorization of 7982

7982 = 2 x 13 x 307

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 7980 and 7982 is 2