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, 6842 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 6840 and 6842 is 2.
GCF(6840,6842) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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 6842
2 | 6842 |
11 | 3421 |
311 | 311 |
1 |
Prime factors of 6842 are 2,11,311. Prime factorization of 6842 in exponential form is:
6842 = 21×111×3111
∴ So by taking common prime factors GCF of 6840 and 6842 is 2
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 6842
List of positive integer factors of 6842 that divides 6842 without a remainder.
1,2,11,22,311,622,3421,6842
Greatest Common Factor
We found the factors and prime factorization of 6840 and 6842. The biggest common factor number is the GCF number.
So the greatest common factor 6840 and 6842 is 2.
Also check out the Least Common Multiple of 6840 and 6842
(i) The GCF of 6840 and 6842 is associative
GCF of 6840 and 6842 = GCF of 6842 and 6840
1. What is the GCF of 6840 and 6842?
Answer: GCF of 6840 and 6842 is 2.
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 6842?
Answer: Factors of 6842 are 1, 2, 11, 22, 311, 622, 3421, 6842. There are 8 integers that are factors of 6842. The greatest factor of 6842 is 6842.
4. How to Find the GCF of 6840 and 6842?
Answer:
Greatest Common Factor of 6840 and 6842 = 2
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 6842
6842 = 2 x 11 x 311
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 6840 and 6842 is 2