Greatest Common Factor of 7990 and 7998

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, 7998 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 7990 and 7998 is 2.

GCF(7990,7998) = 2

GCF of 7990 and 7998

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

GCF of:
and

Greatest Common Factor of 7990 and 7998

GCF of 7990 and 7998 is 2

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 7998


2 7998
3 3999
31 1333
43 43
1

Prime factors of 7998 are 2,3,31,43. Prime factorization of 7998 in exponential form is:

7998 = 21×31×311×431

∴ So by taking common prime factors GCF of 7990 and 7998 is 2

Greatest Common Factor of 7990 and 7998 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 7998

List of positive integer factors of 7998 that divides 7998 without a remainder.

1,2,3,6,31,43,62,86,93,129,186,258,1333,2666,3999,7998

Greatest Common Factor

We found the factors and prime factorization of 7990 and 7998. The biggest common factor number is the GCF number.
So the greatest common factor 7990 and 7998 is 2.

Also check out the Least Common Multiple of 7990 and 7998

Properties of GCF 7990 and 7998

(i) The GCF of 7990 and 7998 is associative

GCF of 7990 and 7998 = GCF of 7998 and 7990

Related Greatest Common Factor of 7990

Related Greatest Common Factor of 7998

Frequently Asked Questions on GCF of 7990 and 7998

1. What is the GCF of 7990 and 7998?

Answer: GCF of 7990 and 7998 is 2.

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 7998?

Answer: Factors of 7998 are 1, 2, 3, 6, 31, 43, 62, 86, 93, 129, 186, 258, 1333, 2666, 3999, 7998. There are 16 integers that are factors of 7998. The greatest factor of 7998 is 7998.

4. How to Find the GCF of 7990 and 7998?

Answer:

Greatest Common Factor of 7990 and 7998 = 2

Step 1: Find the prime factorization of 7990

7990 = 2 x 5 x 17 x 47

Step 2: Find the prime factorization of 7998

7998 = 2 x 3 x 31 x 43

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 7990 and 7998 is 2