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 6838, 6840 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 6838 and 6840 is 2.
GCF(6838,6840) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 6838
2 | 6838 |
13 | 3419 |
263 | 263 |
1 |
Prime factors of 6838 are 2,13,263. Prime factorization of 6838 in exponential form is:
6838 = 21×131×2631
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
∴ So by taking common prime factors GCF of 6838 and 6840 is 2
Factors of 6838
List of positive integer factors of 6838 that divides 6838 without a remainder.
1,2,13,26,263,526,3419,6838
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
Greatest Common Factor
We found the factors and prime factorization of 6838 and 6840. The biggest common factor number is the GCF number.
So the greatest common factor 6838 and 6840 is 2.
Also check out the Least Common Multiple of 6838 and 6840
(i) The GCF of 6838 and 6840 is associative
GCF of 6838 and 6840 = GCF of 6840 and 6838
1. What is the GCF of 6838 and 6840?
Answer: GCF of 6838 and 6840 is 2.
2. What are the Factors of 6838?
Answer: Factors of 6838 are 1, 2, 13, 26, 263, 526, 3419, 6838. There are 8 integers that are factors of 6838. The greatest factor of 6838 is 6838.
3. 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.
4. How to Find the GCF of 6838 and 6840?
Answer:
Greatest Common Factor of 6838 and 6840 = 2
Step 1: Find the prime factorization of 6838
6838 = 2 x 13 x 263
Step 2: Find the prime factorization of 6840
6840 = 2 x 2 x 2 x 3 x 3 x 5 x 19
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 6838 and 6840 is 2