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 862, 868 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 862 and 868 is 2.
GCF(862,868) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 862
2 | 862 |
431 | 431 |
1 |
Prime factors of 862 are 2,431. Prime factorization of 862 in exponential form is:
862 = 21×4311
Prime Factorization of 868
2 | 868 |
2 | 434 |
7 | 217 |
31 | 31 |
1 |
Prime factors of 868 are 2,7,31. Prime factorization of 868 in exponential form is:
868 = 22×71×311
∴ So by taking common prime factors GCF of 862 and 868 is 2
Factors of 862
List of positive integer factors of 862 that divides 862 without a remainder.
1,2,431,862
Factors of 868
List of positive integer factors of 868 that divides 868 without a remainder.
1,2,4,7,14,28,31,62,124,217,434,868
Greatest Common Factor
We found the factors and prime factorization of 862 and 868. The biggest common factor number is the GCF number.
So the greatest common factor 862 and 868 is 2.
Also check out the Least Common Multiple of 862 and 868
(i) The GCF of 862 and 868 is associative
GCF of 862 and 868 = GCF of 868 and 862
1. What is the GCF of 862 and 868?
Answer: GCF of 862 and 868 is 2.
2. What are the Factors of 862?
Answer: Factors of 862 are 1, 2, 431, 862. There are 4 integers that are factors of 862. The greatest factor of 862 is 862.
3. What are the Factors of 868?
Answer: Factors of 868 are 1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868. There are 12 integers that are factors of 868. The greatest factor of 868 is 868.
4. How to Find the GCF of 862 and 868?
Answer:
Greatest Common Factor of 862 and 868 = 2
Step 1: Find the prime factorization of 862
862 = 2 x 431
Step 2: Find the prime factorization of 868
868 = 2 x 2 x 7 x 31
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 862 and 868 is 2