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 834, 842 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 834 and 842 is 2.
GCF(834,842) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 834
2 | 834 |
3 | 417 |
139 | 139 |
1 |
Prime factors of 834 are 2,3,139. Prime factorization of 834 in exponential form is:
834 = 21×31×1391
Prime Factorization of 842
2 | 842 |
421 | 421 |
1 |
Prime factors of 842 are 2,421. Prime factorization of 842 in exponential form is:
842 = 21×4211
∴ So by taking common prime factors GCF of 834 and 842 is 2
Factors of 834
List of positive integer factors of 834 that divides 834 without a remainder.
1,2,3,6,139,278,417,834
Factors of 842
List of positive integer factors of 842 that divides 842 without a remainder.
1,2,421,842
Greatest Common Factor
We found the factors and prime factorization of 834 and 842. The biggest common factor number is the GCF number.
So the greatest common factor 834 and 842 is 2.
Also check out the Least Common Multiple of 834 and 842
(i) The GCF of 834 and 842 is associative
GCF of 834 and 842 = GCF of 842 and 834
1. What is the GCF of 834 and 842?
Answer: GCF of 834 and 842 is 2.
2. What are the Factors of 834?
Answer: Factors of 834 are 1, 2, 3, 6, 139, 278, 417, 834. There are 8 integers that are factors of 834. The greatest factor of 834 is 834.
3. What are the Factors of 842?
Answer: Factors of 842 are 1, 2, 421, 842. There are 4 integers that are factors of 842. The greatest factor of 842 is 842.
4. How to Find the GCF of 834 and 842?
Answer:
Greatest Common Factor of 834 and 842 = 2
Step 1: Find the prime factorization of 834
834 = 2 x 3 x 139
Step 2: Find the prime factorization of 842
842 = 2 x 421
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 834 and 842 is 2