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 6438, 6442 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 6438 and 6442 is 2.
GCF(6438,6442) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 6438
2 | 6438 |
3 | 3219 |
29 | 1073 |
37 | 37 |
1 |
Prime factors of 6438 are 2,3,29,37. Prime factorization of 6438 in exponential form is:
6438 = 21×31×291×371
Prime Factorization of 6442
2 | 6442 |
3221 | 3221 |
1 |
Prime factors of 6442 are 2,3221. Prime factorization of 6442 in exponential form is:
6442 = 21×32211
∴ So by taking common prime factors GCF of 6438 and 6442 is 2
Factors of 6438
List of positive integer factors of 6438 that divides 6438 without a remainder.
1,2,3,6,29,37,58,74,87,111,174,222,1073,2146,3219,6438
Factors of 6442
List of positive integer factors of 6442 that divides 6442 without a remainder.
1,2,3221,6442
Greatest Common Factor
We found the factors and prime factorization of 6438 and 6442. The biggest common factor number is the GCF number.
So the greatest common factor 6438 and 6442 is 2.
Also check out the Least Common Multiple of 6438 and 6442
(i) The GCF of 6438 and 6442 is associative
GCF of 6438 and 6442 = GCF of 6442 and 6438
1. What is the GCF of 6438 and 6442?
Answer: GCF of 6438 and 6442 is 2.
2. What are the Factors of 6438?
Answer: Factors of 6438 are 1, 2, 3, 6, 29, 37, 58, 74, 87, 111, 174, 222, 1073, 2146, 3219, 6438. There are 16 integers that are factors of 6438. The greatest factor of 6438 is 6438.
3. What are the Factors of 6442?
Answer: Factors of 6442 are 1, 2, 3221, 6442. There are 4 integers that are factors of 6442. The greatest factor of 6442 is 6442.
4. How to Find the GCF of 6438 and 6442?
Answer:
Greatest Common Factor of 6438 and 6442 = 2
Step 1: Find the prime factorization of 6438
6438 = 2 x 3 x 29 x 37
Step 2: Find the prime factorization of 6442
6442 = 2 x 3221
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 6438 and 6442 is 2