Greatest Common Factor of 7838 and 7840

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 7838, 7840 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 7838 and 7840 is 2.

GCF(7838,7840) = 2

GCF of 7838 and 7840

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

GCF of:
and

Greatest Common Factor of 7838 and 7840

GCF of 7838 and 7840 is 2

Prime Factorization of 7838


2 7838
3919 3919
1

Prime factors of 7838 are 2,3919. Prime factorization of 7838 in exponential form is:

7838 = 21×39191

Prime Factorization of 7840


2 7840
2 3920
2 1960
2 980
2 490
5 245
7 49
7 7
1

Prime factors of 7840 are 2,5,7. Prime factorization of 7840 in exponential form is:

7840 = 25×51×72

∴ So by taking common prime factors GCF of 7838 and 7840 is 2

Greatest Common Factor of 7838 and 7840 by matching factors method

Factors of 7838

List of positive integer factors of 7838 that divides 7838 without a remainder.

1,2,3919,7838

Factors of 7840

List of positive integer factors of 7840 that divides 7840 without a remainder.

1,2,4,5,7,8,10,14,16,20,28,32,35,40,49,56,70,80,98,112,140,160,196,224,245,280,392,490,560,784,980,1120,1568,1960,3920,7840

Greatest Common Factor

We found the factors and prime factorization of 7838 and 7840. The biggest common factor number is the GCF number.
So the greatest common factor 7838 and 7840 is 2.

Also check out the Least Common Multiple of 7838 and 7840

Properties of GCF 7838 and 7840

(i) The GCF of 7838 and 7840 is associative

GCF of 7838 and 7840 = GCF of 7840 and 7838

Related Greatest Common Factor of 7838

Related Greatest Common Factor of 7840

Frequently Asked Questions on GCF of 7838 and 7840

1. What is the GCF of 7838 and 7840?

Answer: GCF of 7838 and 7840 is 2.

2. What are the Factors of 7838?

Answer: Factors of 7838 are 1, 2, 3919, 7838. There are 4 integers that are factors of 7838. The greatest factor of 7838 is 7838.

3. What are the Factors of 7840?

Answer: Factors of 7840 are 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840. There are 36 integers that are factors of 7840. The greatest factor of 7840 is 7840.

4. How to Find the GCF of 7838 and 7840?

Answer:

Greatest Common Factor of 7838 and 7840 = 2

Step 1: Find the prime factorization of 7838

7838 = 2 x 3919

Step 2: Find the prime factorization of 7840

7840 = 2 x 2 x 2 x 2 x 2 x 5 x 7 x 7

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 7838 and 7840 is 2