Greatest Common Factor of 7990 and 7991

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 7990, 7991 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 7990 and 7991 is 1.

GCF(7990,7991) = 1

GCF of 7990 and 7991

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

GCF of:
and

Greatest Common Factor of 7990 and 7991

GCF of 7990 and 7991 is 1

Prime Factorization of 7990


2 7990
5 3995
17 799
47 47
1

Prime factors of 7990 are 2,5,17,47. Prime factorization of 7990 in exponential form is:

7990 = 21×51×171×471

Prime Factorization of 7991


61 7991
131 131
1

Prime factors of 7991 are 61,131. Prime factorization of 7991 in exponential form is:

7991 = 611×1311

∴ So by taking common prime factors GCF of 7990 and 7991 is 1

Greatest Common Factor of 7990 and 7991 by matching factors method

Factors of 7990

List of positive integer factors of 7990 that divides 7990 without a remainder.

1,2,5,10,17,34,47,85,94,170,235,470,799,1598,3995,7990

Factors of 7991

List of positive integer factors of 7991 that divides 7991 without a remainder.

1,61,131,7991

Greatest Common Factor

We found the factors and prime factorization of 7990 and 7991. The biggest common factor number is the GCF number.
So the greatest common factor 7990 and 7991 is 1.

Also check out the Least Common Multiple of 7990 and 7991

Properties of GCF 7990 and 7991

(i) The GCF of 7990 and 7991 is associative

GCF of 7990 and 7991 = GCF of 7991 and 7990

Frequently Asked Questions on GCF of 7990 and 7991

1. What is the GCF of 7990 and 7991?

Answer: GCF of 7990 and 7991 is 1.

2. What are the Factors of 7990?

Answer: Factors of 7990 are 1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 3995, 7990. There are 16 integers that are factors of 7990. The greatest factor of 7990 is 7990.

3. What are the Factors of 7991?

Answer: Factors of 7991 are 1, 61, 131, 7991. There are 4 integers that are factors of 7991. The greatest factor of 7991 is 7991.

4. How to Find the GCF of 7990 and 7991?

Answer:

Greatest Common Factor of 7990 and 7991 = 1

Step 1: Find the prime factorization of 7990

7990 = 2 x 5 x 17 x 47

Step 2: Find the prime factorization of 7991

7991 = 61 x 131

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 7990 and 7991 is 1