Greatest Common Factor of 6840 and 6845

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 6840, 6845 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 6840 and 6845 is 5.

GCF(6840,6845) = 5

GCF of 6840 and 6845

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

GCF of:
and

Greatest Common Factor of 6840 and 6845

GCF of 6840 and 6845 is 5

Prime Factorization of 6840


2 6840
2 3420
2 1710
3 855
3 285
5 95
19 19
1

Prime factors of 6840 are 2,3,5,19. Prime factorization of 6840 in exponential form is:

6840 = 23×32×51×191

Prime Factorization of 6845


5 6845
37 1369
37 37
1

Prime factors of 6845 are 5,37. Prime factorization of 6845 in exponential form is:

6845 = 51×372

∴ So by taking common prime factors GCF of 6840 and 6845 is 5

Greatest Common Factor of 6840 and 6845 by matching factors method

Factors of 6840

List of positive integer factors of 6840 that divides 6840 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,18,19,20,24,30,36,38,40,45,57,60,72,76,90,95,114,120,152,171,180,190,228,285,342,360,380,456,570,684,760,855,1140,1368,1710,2280,3420,6840

Factors of 6845

List of positive integer factors of 6845 that divides 6845 without a remainder.

1,5,37,185,1369,6845

Greatest Common Factor

We found the factors and prime factorization of 6840 and 6845. The biggest common factor number is the GCF number.
So the greatest common factor 6840 and 6845 is 5.

Also check out the Least Common Multiple of 6840 and 6845

Properties of GCF 6840 and 6845

(i) The GCF of 6840 and 6845 is associative

GCF of 6840 and 6845 = GCF of 6845 and 6840

Frequently Asked Questions on GCF of 6840 and 6845

1. What is the GCF of 6840 and 6845?

Answer: GCF of 6840 and 6845 is 5.

2. What are the Factors of 6840?

Answer: Factors of 6840 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840. There are 48 integers that are factors of 6840. The greatest factor of 6840 is 6840.

3. What are the Factors of 6845?

Answer: Factors of 6845 are 1, 5, 37, 185, 1369, 6845. There are 6 integers that are factors of 6845. The greatest factor of 6845 is 6845.

4. How to Find the GCF of 6840 and 6845?

Answer:

Greatest Common Factor of 6840 and 6845 = 5

Step 1: Find the prime factorization of 6840

6840 = 2 x 2 x 2 x 3 x 3 x 5 x 19

Step 2: Find the prime factorization of 6845

6845 = 5 x 37 x 37

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 5

Step 4: Therefore, the greatest common factor of 6840 and 6845 is 5