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 842, 850 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 842 and 850 is 2.
GCF(842,850) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
Prime Factorization of 850
2 | 850 |
5 | 425 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 850 are 2,5,17. Prime factorization of 850 in exponential form is:
850 = 21×52×171
∴ So by taking common prime factors GCF of 842 and 850 is 2
Factors of 842
List of positive integer factors of 842 that divides 842 without a remainder.
1,2,421,842
Factors of 850
List of positive integer factors of 850 that divides 850 without a remainder.
1,2,5,10,17,25,34,50,85,170,425,850
Greatest Common Factor
We found the factors and prime factorization of 842 and 850. The biggest common factor number is the GCF number.
So the greatest common factor 842 and 850 is 2.
Also check out the Least Common Multiple of 842 and 850
(i) The GCF of 842 and 850 is associative
GCF of 842 and 850 = GCF of 850 and 842
1. What is the GCF of 842 and 850?
Answer: GCF of 842 and 850 is 2.
2. 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.
3. What are the Factors of 850?
Answer: Factors of 850 are 1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850. There are 12 integers that are factors of 850. The greatest factor of 850 is 850.
4. How to Find the GCF of 842 and 850?
Answer:
Greatest Common Factor of 842 and 850 = 2
Step 1: Find the prime factorization of 842
842 = 2 x 421
Step 2: Find the prime factorization of 850
850 = 2 x 5 x 5 x 17
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 842 and 850 is 2