Greatest Common Factor of 847 and 851

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 847, 851 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 847 and 851 is 1.

GCF(847,851) = 1

GCF of 847 and 851

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

GCF of:
and

Greatest Common Factor of 847 and 851

GCF of 847 and 851 is 1

Prime Factorization of 847


7 847
11 121
11 11
1

Prime factors of 847 are 7,11. Prime factorization of 847 in exponential form is:

847 = 71×112

Prime Factorization of 851


23 851
37 37
1

Prime factors of 851 are 23,37. Prime factorization of 851 in exponential form is:

851 = 231×371

∴ So by taking common prime factors GCF of 847 and 851 is 1

Greatest Common Factor of 847 and 851 by matching factors method

Factors of 847

List of positive integer factors of 847 that divides 847 without a remainder.

1,7,11,77,121,847

Factors of 851

List of positive integer factors of 851 that divides 851 without a remainder.

1,23,37,851

Greatest Common Factor

We found the factors and prime factorization of 847 and 851. The biggest common factor number is the GCF number.
So the greatest common factor 847 and 851 is 1.

Also check out the Least Common Multiple of 847 and 851

Properties of GCF 847 and 851

(i) The GCF of 847 and 851 is associative

GCF of 847 and 851 = GCF of 851 and 847

Frequently Asked Questions on GCF of 847 and 851

1. What is the GCF of 847 and 851?

Answer: GCF of 847 and 851 is 1.

2. What are the Factors of 847?

Answer: Factors of 847 are 1, 7, 11, 77, 121, 847. There are 6 integers that are factors of 847. The greatest factor of 847 is 847.

3. What are the Factors of 851?

Answer: Factors of 851 are 1, 23, 37, 851. There are 4 integers that are factors of 851. The greatest factor of 851 is 851.

4. How to Find the GCF of 847 and 851?

Answer:

Greatest Common Factor of 847 and 851 = 1

Step 1: Find the prime factorization of 847

847 = 7 x 11 x 11

Step 2: Find the prime factorization of 851

851 = 23 x 37

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = = 1

Step 4: Therefore, the greatest common factor of 847 and 851 is 1