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 843, 847 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 843 and 847 is 1.
GCF(843,847) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 843
3 | 843 |
281 | 281 |
1 |
Prime factors of 843 are 3,281. Prime factorization of 843 in exponential form is:
843 = 31×2811
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
∴ So by taking common prime factors GCF of 843 and 847 is 1
Factors of 843
List of positive integer factors of 843 that divides 843 without a remainder.
1,3,281,843
Factors of 847
List of positive integer factors of 847 that divides 847 without a remainder.
1,7,11,77,121,847
Greatest Common Factor
We found the factors and prime factorization of 843 and 847. The biggest common factor number is the GCF number.
So the greatest common factor 843 and 847 is 1.
Also check out the Least Common Multiple of 843 and 847
(i) The GCF of 843 and 847 is associative
GCF of 843 and 847 = GCF of 847 and 843
1. What is the GCF of 843 and 847?
Answer: GCF of 843 and 847 is 1.
2. What are the Factors of 843?
Answer: Factors of 843 are 1, 3, 281, 843. There are 4 integers that are factors of 843. The greatest factor of 843 is 843.
3. 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.
4. How to Find the GCF of 843 and 847?
Answer:
Greatest Common Factor of 843 and 847 = 1
Step 1: Find the prime factorization of 843
843 = 3 x 281
Step 2: Find the prime factorization of 847
847 = 7 x 11 x 11
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 843 and 847 is 1