Greatest Common Factor of 842 and 850

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

GCF of 842 and 850

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

GCF of:
and

Greatest Common Factor of 842 and 850

GCF of 842 and 850 is 2

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

Greatest Common Factor of 842 and 850 by matching factors method

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

Properties of GCF 842 and 850

(i) The GCF of 842 and 850 is associative

GCF of 842 and 850 = GCF of 850 and 842

Frequently Asked Questions on GCF of 842 and 850

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